Charles Guillemet @P3b7_ Twitter profile

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Charles Guillemet

@P3b7_

2 years

Privacy is a matter of freedom.

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Charles Guillemet

@P3b7_

1 year

Ledger’s mission is, and will always be, to provide our users with the right tools to own their digital value securely. We have decided to accelerate our open-sourcing roadmap to bring more verifiability to everything we do. A thread 🧵

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Charles Guillemet

@P3b7_

1 year

🚨 The Ledger Donjon ( @DonjonLedger ), our team of security experts, likely avoided one of the biggest hack in the history of crypto by finding a critical vulnerability in @TrustWallet ’s browser extension last November What happened? Unfurl for a thread 🧵

Funds of Every Wallet Created With The Trust Wallet Browser Extension Could Have Been Stolen...

Seed generation of Trust Wallet was flawed, the total entropy was only 32 bits. We have created a file containing all possible seeds. Fortunately, the Ledger Donjon discovered the vulnerability very...

www.ledger.com

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Charles Guillemet

@P3b7_

1 year

1/ I’ve read several misconceptions about how a wallet works. It seems some people thought there is some magic, let me explain how it works. A thread 👇

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Charles Guillemet

@P3b7_

3 years

Fun fact about Taproot: Taproot is a #bitcoin upgrade which will occur at block #709632 , ie. in Nov 2021 It brings several new innovations and features but one of them is especially interesting: Schnorr Signatures. Let me tell you the brief history of asymetric cryptography 🧵

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Charles Guillemet

@P3b7_

2 months

I’m pleased to tell you that Ledger’s next-generation device, Ledger Stax, is starting to ship to pre-order customers now! It took longer than anticipated but we’re sure you’ll agree it’s worth the wait. Here’s why🧵

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Charles Guillemet

@P3b7_

4 years

🚨Bitcoin full node is now available on @Ledger Live 🚨 It's now possible to have - the security of Ledger Nano devices - the great UX of Ledger Live - and the privacy of your own full node Thread. [1/n]

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Charles Guillemet

@P3b7_

4 years

@engineers_feed

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Charles Guillemet

@P3b7_

1 year

Managing long crypto addresses complicates your experience and increases transaction error risks. 🚨That’s why I’m glad to announce that @Ledger Live & hardware wallets are now compatible with @ensdomains . PS: charles.eth is not mine, don't send me money :)

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Charles Guillemet

@P3b7_

1 year

Ledger Recover is our upcoming and optional service for users who want a secure backup of their Secret Recovery Phrase. Do you want to learn more about the onboarding process and specificities? A thread 🧵

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Charles Guillemet

@P3b7_

3 years

Heard today during an internal presentation about #Bitcoin multisig: "Bitcoin guys are so obsessed with destroying the environment that they had to remove the 'nature' in 'multisignature' " 🤣🤣🤣

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Charles Guillemet

@P3b7_

1 year

📰Today, we are publishing the Ledger Recover White Paper, a key step in allowing anyone to audit the cryptographic protocols. This builds on the over 150 apps and other open-source enablement Ledger has already implemented. Don’t trust, verify.🧵

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Charles Guillemet

@P3b7_

11 months

🚨 0-day, 0-click vulnerability exploited in the wild on last version of iOS. You receive an image on IMessage, you don't do anything, the attacker has full access over your iPhone. He can spy everything you do, extract all your data, including your crypto keys if you use a

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Charles Guillemet

@P3b7_

2 years

My bank is happy to advertize me that I can move my funds within 10 sec... for 3 Euros!!! 🤡🤡🤡

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Charles Guillemet

@P3b7_

2 years

As promised, the #Bitcoin app supporting miniscript is released before the end of 2022 😉 Go to #ledger live and upgrade your #btc app. More info on miniscript here Would be great to have minscript supported on other wallets! Kudos to @salvatoshi .

Miniscript is coming to Bitcoin, and to your Ledger Nano! | Ledger

Bitcoin is able to express complex and powerful spending conditions, but this capability is currently underused.Miniscript will enable wallet software developers to take advantage of the full power...

www.ledger.com

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Charles Guillemet

@P3b7_

3 years

📣 Ledger is the only Hardware wallets vendor supporting Taproot as of today🎉 @salvatoshi wrote a great blogpost introducing #Bitcoin app 2.0.0 launched right before the #Taproot update. But the new app is not only about taproot – there's much more 1/n👇

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Charles Guillemet

@P3b7_

4 years

UTXOs selection (Coin Control) is now available in @Ledger Live 2.11 🚀🚀🚀

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Charles Guillemet

@P3b7_

5 years

Passwords are: 1) Secrets 2) Which can be rotated Biometrics are public (like usernames), not passwords Have fun rotating your fingerprints Biometrics do not protect critical data

Samsung: Anyone's thumbprint can unlock Galaxy S10 phone

Firm promises fix after couple discover any fingerprint can unlock the device when put in case.

www.bbc.com

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Charles Guillemet

@P3b7_

2 years

Dans le taxi pour l'aéroport : "ah je sais, vous étiez au truc Bitcoin, j'ai croisé un collègue à vous avant, il m'a fait installer Brave et il m'a dit que Bitcoin allait tout changer" 😁

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Charles Guillemet

@P3b7_

2 months

Great discussion with @StaniKulechov and @lucianmincu at @proofoftalk about blockchain scalability, UX. What's the common point between @MultiversX , @aave and @Ledger ? They passed the test of time!

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Charles Guillemet

@P3b7_

2 years

Don't try to be creative when it comes to securing your crypto. - Get a hardware wallet. - Generate your seed on it. - Write down your backup and store it in a safe place and never share it. - Always verify what you sign on the trusted display. Basic, simple.

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Charles Guillemet

@P3b7_

1 year

Ledger Live ET Ledger Nano en Français 🇫🇷

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Charles Guillemet

@P3b7_

4 years

Unfixable vulnerability found on Intel chips. The ROM of CSME is vulnerable which breaks the root of Trust. "The vulnerability allows extracting the Chipset Key and manipulating part of the hardware key and the process of its generation."

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Charles Guillemet

@P3b7_

2 years

When it comes to privacy, the browsers are not the same. ()

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Charles Guillemet

@P3b7_

3 years

30 years after this patent, Schnorr Signatures will be used in one of the largest scale application: #Bitcoin It's a great news, but we lost 30 years because of a silly patent. /fin

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Charles Guillemet

@P3b7_

1 year

Yet another critical vulnerability on MPC implementations. Cryptography needs to pass the test of time.

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Charles Guillemet

@P3b7_

1 month

Privacy is a fundamental right. If anyone incl. EU wants to ban e2ee, he will have to prevent us to do Maths and to run code. Good luck with that.

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Charles Guillemet

@P3b7_

1 year

The @Ledger team is in Prague for BTC Prague with @adam3us ! I love the meme recalling Ledger devices have the best Bitcoin support on Hardware wallets! #miniscript

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Charles Guillemet

@P3b7_

4 years

On the threat model of @Ledger Nano and its ETH app when using DeFi. Thread [1/n]

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Charles Guillemet

@P3b7_

5 years

The @Ledger Donjon proudly presents Scaffold: an open source electronic motherboard It’s made to evaluate the security of integrated circuits and embedded platforms. Clone it, Fork it, Star it! Scaffold Github: Learn more:

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Charles Guillemet

@P3b7_

1 year

Open-sourcing has always been at the core of our roadmap, and recent events emphasize the importance of accelerating our initiative to bring greater verifiability to everything we do at Ledger. Securely yours.

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Charles Guillemet

@P3b7_

2 years

@engineers_feed

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Charles Guillemet

@P3b7_

2 years

☮️ @nvk @pavolrusnak @P3b7_

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Charles Guillemet

@P3b7_

1 year

22/ If you want to be completely trustless, you'll have to learn electronics to build your computer, learn ASM to build your compiler, then build a wallet stack, your own node and synchronizer, you'll have to learn cryptography to build your own signature stack.

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Charles Guillemet

@P3b7_

1 year

This side channel is fun. It's possible to guess what you type on your keyboard just listening to the sound it does. 93% accuracy on zoom call!

New acoustic attack steals data from keystrokes with 95% accuracy

A team of researchers from British universities has trained a deep learning model that can steal data from keyboard keystrokes recorded using a microphone with an accuracy of 95%.

www.bleepingcomputer.com

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Charles Guillemet

@P3b7_

6 months

That's a big deal! From now optmistic rollups don't present real upsides and should move to a validity model to get faster finality and better security guarantees. I'm genuinely impressed by the polygon team. The project was among the first to offer a successful scalability

Polygon | Aggregated

@0xPolygon

6 months

Releasing the Type-1 upgrade to the zkEVM prover, the next generation of Polygon’s proving tech. It can generate proofs for any EVM chain—sidechain, optimistic rollup, even Ethereum itself. When proving Ethereum mainnet blocks, avg per-transaction costs are $0.002 - $0.003.

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Charles Guillemet

@P3b7_

2 years

That sounds a real breakthrough for building L3 (and more) at a cheaper cost. "The cost of proving a step of a program is proportional only to the size of the circuit representing the instruction invoked" The future is promising for ZK-Rollups!

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Charles Guillemet

@P3b7_

2 years

We're officially working on the support of #Bitcoin Miniscript on @ledger devices 🙌 @salvatoshi wrote a comprehensive post explaining what is Miniscript and how we plan to support it. 👇

Miniscript is coming to Bitcoin, and to your Ledger Nano! | Ledger

Bitcoin is able to express complex and powerful spending conditions, but this capability is currently underused.Miniscript will enable wallet software developers to take advantage of the full power...

www.ledger.com

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Charles Guillemet

@P3b7_

1 year

19/ Using a wallet requires a minimal amount of trust. If your hypothesis is that your wallet provider is the attacker, you’re doomed.

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Charles Guillemet

@P3b7_

2 years

Coinbase clarified the risk you take keeping your coins on an exchange. Self custody. Get a hardware wallet.

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Charles Guillemet

@P3b7_

1 year

29/ Hardware wallets give a higher level of security since keys are not manipulated in plaintext in a non secure environment. FIN.

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Charles Guillemet

@P3b7_

1 year

Is Quantum Computing a threat to Bitcoin, Ethereum, and crypto? Hint: it doesn’t keep me up at night. 😉 Check out my latest article, where I delve into the potential dangers and explore possible solutions.

Should Crypto Fear Quantum Computing? | Ledger

Charles Guillemet, CTO at Ledger, explores the potential implications of quantum computing on the cryptocurrency industry, and how post-quantum solutions may eventually emerge to address the challe...

www.ledger.com

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Charles Guillemet

@P3b7_

4 years

LOL.

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Charles Guillemet

@P3b7_

3 years

🚨 We just released our Ethereum plugins framework on @Ledger Nano devices It allows to have a smooth and secure UX when you interact with smartcontracts. Thread [1/5]

Ethereum Smart Contract plugins | Ledger

A new frontier for the security of human interactions with smart contracts

www.ledger.com

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Charles Guillemet

@P3b7_

1 year

Huge congratz to the @DonjonLedger and especially Jean-Baptiste Bédrune for saving the world once again.

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Charles Guillemet

@P3b7_

8 months

Thanks everyone who helped us fixing the issue promptly. Always verify what you sign.

Ledger

@Ledger

8 months

FINAL TIMELINE AND UPDATE TO CUSTOMERS: 4:49pm CET: Ledger Connect Kit genuine version 1.1.8 is being propagated now automatically. We recommend waiting 24 hours until using the Ledger Connect Kit again. The investigation continues, here is the timeline of what we know about

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Charles Guillemet

@P3b7_

1 year

We recently open-sourced our cryptography library (which is part of our OS), and we will publish the whitepaper of Ledger Recover very soon, allowing everyone to audit the cryptographic protocols and enable people to build their own shards backup provider.

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Charles Guillemet

@P3b7_

2 years

The @Ledger team was at @StarknetCC ... and won the CTF 🚀

StarknetCC

@StarknetCC

2 years

And the winners are ! @Ledger @OnlyDust_xyz @nethermindeth

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Charles Guillemet

@P3b7_

1 year

As you might know, your Ledger devices use a smartcard chip (a Secure Element), implementing tons of hardware countermeasures enabling resistance against high potential attackers even with physical access.

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Charles Guillemet

@P3b7_

1 year

We’ll gradually open source most of our Operating System, starting with Ledger Recover, to make it fully auditable.We’ll release Ledger Recover Product as soon as this firmware part of the code will be published.

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Charles Guillemet

@P3b7_

1 year

DYOR - a good thread recalling how hardware wallets work, and why your Ledger is as safe as it has always been.

Haseeb ＞|＜

@hosseeb

1 year

Yesterday I freaked out about the revelation that @Ledger could spit out your private key with a firmware update. Yet I noticed the smartest people were not freaking out. Was I missing something? I spent the evening educating myself, and now I'm in the "nvm it's fine" camp.

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Charles Guillemet

@P3b7_

3 months

That's a BOLD move ($100s of millions)! 🧵 Designing an IC, even a relatively simple one, in the latest technology nodes is capital intensive. For Bitcoin mining, IC designs are relatively simple because they consist in implementing high throughput SHA256 functions. You have to

jack

@jack

3 months

we’re building a mining rig

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Charles Guillemet

@P3b7_

1 year

5/ This number can be put into human readable form (24 words) using BIP-39 standard. That is your Secret Recovery Phrase. This is what you write down and should NEVER share with ANYONE, including Ledger. Ledger does not have access to it, including if you use Ledger Recover.

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Charles Guillemet

@P3b7_

1 year

If you're using a software wallet, this new 0-day actively exploited on Chrome could allow an attacker to drain your wallet. Hardware wallets protect against such exploits.

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Charles Guillemet

@P3b7_

1 year

We strongly believe in open source. It’s one of our core values, a great philosophy that advocates openness, and verifiability. Open source allows developers and security experts to review the code and ensure it is secure and not malicious.

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Charles Guillemet

@P3b7_

1 year

We already conduct internal and external security audits. But, open source means you minimize the level of trust. That’s why we have decided to accelerate our open-sourcing roadmap.

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Charles Guillemet

@P3b7_

2 years

Just got my new passport, valid for 10 years. The next one will be on a Blockchain secured by a @Ledger device.

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Charles Guillemet

@P3b7_

4 months

It's great to read a positive, well researched article on Bitcoin make the front page of Le Monde ( @lemondefr ) a reference media. A change in the perception of Bitcoin is ongoing. It was a pleasure to contribute to this piece! Thanks @marcangrand

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Charles Guillemet

@P3b7_

1 year

The Trust Wallet extension’s vulnerability allowed an attacker to drain all the wallet funds… without the owner even touching theur device. By knowing an account address, a hacker could compute its private key, and then access all its funds.

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Charles Guillemet

@P3b7_

3 years

@HRadvocado @RadixCommunity @Ledger @f_pieper @Mleekko @Ledger_Support Cool. The app will be reviewed, then signed and integrated in Ledger Live if everything is fine. 🤞

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Charles Guillemet

@P3b7_

1 year

Today, as part of our commitment to accelerate our open source roadmap for verification, we are publishing the first two of our six-blog series titled "The Genesis of Ledger Recover", Part 1: Part 2:

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Charles Guillemet

@P3b7_

1 year

20/ If the wallet wants to implement a backdoor, there are many ways to do it, in the random number generation, in the cryptographic library, in the hardware itself. It’s even possible to create signatures so that the private key can be retrieved only by monitoring the blockchain

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Charles Guillemet

@P3b7_

1 year

27/ TL;DR: A hardware wallet is mostly used as a signing device It generates and safeguards your private keys. Your private keys never leave the hardware wallet. Whenever they are used, your consent is requested.

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Charles Guillemet

@P3b7_

3 years

📣We basically implemented a DApps browser within Ledger Live bridging the security🔒of Ledger ecosystem to the unicorns🦄 of DeFi! Our pilot project is the integration of paraswap in @Ledger Live. Here's how we did it. Thread 🧵[1/5]

Ledger Live X DeFi | Ledger

The growth of Decentralized Finance (DeFi) is opening a new world. DeFi leverages smart contracts to bring sophisticated financial instruments to market, instruments that are decentralized and...

www.ledger.com

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Charles Guillemet

@P3b7_

3 years

I was away from twitter for 2 days, and when I come back, everyone has laser eyes! WTF

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Charles Guillemet

@P3b7_

1 year

23/ It’s a great journey, I partly went through this one 😅. But it’s a lifetime journey.

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Charles Guillemet

@P3b7_

1 year

The other parts will take a little more time since it needs to be refactored to abstract the chip-specific characteristics under NDA from our OS.

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Charles Guillemet

@P3b7_

2 years

After the FTX earthquake, there's a massive outflow from exchanges to @ledger security and self sovereignty solutions ✊ We see a massive usage of our platforms and had a few scalability challenges this night. It should be resolved now.

Ledger Support

@Ledger_Support

2 years

Attention 📢 Our server outage has been resolved and all systems are operational. Should you have any issues persist, please let us know and we'd be happy to help. We appreciate your patience and understanding!🤝

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Charles Guillemet

@P3b7_

3 years

Second Taproot Transaction signed by a Nano and sent from @Ledger Live! (I was frontrun by @salvatoshi ) 🚀🚀🚀

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Charles Guillemet

@P3b7_

2 years

@AuroreLalucq Utiliser l'argument de la lutte anti-blanchiment, le financement du terrorisme et de la lutte contre la pedocriminalité est de nature à pouvoir justifier toute atteinte à la liberté. C'est un peu le point Godwin du débat. En la matière, ce type de réglementation est dangereux...

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Charles Guillemet

@P3b7_

1 year

2/ A hardware wallet is mostly used as a signing device. Your private keys are central to everything, and hardware + firmware work hand in hand to protect it. Let’s review some fundamental cryptography about all hardware wallets, not just Ledgers.

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Charles Guillemet

@P3b7_

1 year

21/ And open source doesn’t really solve this. It’s impossible to have guarantees that the electronic itself is not backdoored, nor that the firmware that runs inside the wallet is the one you audited.

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Charles Guillemet

@P3b7_

2 years

Nvidia has been hacked. LAPSUS$ claims the deal of 1 TB, including source code, most of Nvidia IP. 1/6

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Charles Guillemet

@P3b7_

2 years

Ghost In the Wireless, iwlwifi Edition. Nicolas Iooss ( @IooNag ) is presenting the research he did with Gabriel Campana from @DonjonLedger team on Intel Wi-Fi chips at #blackhat22 . They did a complete reverse of the firmware and found several critical vulnerabilities Live 🧵👇

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Charles Guillemet

@P3b7_

1 year

Because this know-how is the IP of manufacturers, they don’t want it leaked, preventing Ledger’s firmware from being fully open source.

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Charles Guillemet

@P3b7_

2 years

Don't get rekt by the next FTX. Self custody.

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Charles Guillemet

@P3b7_

2 years

The Ethereum mainnet has been successfully merged. The merge is now *finalized* and the chain is now Proof of Stake chain. Historical moment for the whole ecosystem. The transition was smooth without pausing the network, without losing any transaction. Well done Ethereum!

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Charles Guillemet

@P3b7_

5 months

A new version of the @Ledger #Bitcoin app is out. Ledger continues to have the top-notch support of Bitcoin enabling new usecases. This version implements the full support of miniscript on taproot! It's a perfect opportunity for devs to build on top of Ledger. Congrats to

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Charles Guillemet

@P3b7_

4 years

Want to build a cheap and DIY EM Fault Injector? Have a look at the latest article from the @DonjonLedger . With this setup, it's possible to extract secrets from general purpose MCUs

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Charles Guillemet

@P3b7_

1 month

I've been often asked what I think about MPC. In short, my take is the following: 1) First, we're talking about Threshold Signature Scheme. For some reasons, the different players markets "MPC" rather than "TSS" 2) Some of the players used marketing fallacies that discredited

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Charles Guillemet

@P3b7_

1 year

Smartcard technologies also allow a root of trust, enabling the secure element to prove they are genuine and not tampered, thus can be trusted even in complex supply chain scenarios.

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Charles Guillemet

@P3b7_

2 years

Ok, we start to see Malware targeting software wallets. We might see the first waves of attacks draining software wallets at scale. You're one (bad) click away from losing your crypto. (or maybe zero-click btw).

Hodlers beware! New malware targets MetaMask and 40 other crypto wallets

Users are warned against new malware designed to steal crypto from browser extension wallets like MetaMask and Coinbase Wallet.

cointelegraph.com

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Charles Guillemet

@P3b7_

1 year

Most of our products are already open source. Many developers contribute to Ledger Live, Ledger devices, and more. Together, we built over 150 open-source apps that run on our different devices.

Ledger

Trusted hardware for blockchain applications. Ledger has 519 repositories available. Follow their code on GitHub.

github.com

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Charles Guillemet

@P3b7_

2 years

Canada's government is using Pegasus-like software to spy on people. Btw, if you're targeted and are using a software wallets or centralized custodian (exchange), they can also drain your wallet. Self custody. Get a hardware wallet.

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Charles Guillemet

@P3b7_

3 years

Et si c'était la valeur du dollar qui n'a jamais été aussi basse... 🤔

BFM Business

@bfmbusiness

3 years

Le PIB mondial devrait dépasser les 100.000 milliards de dollars pour la première fois en 2022

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Charles Guillemet

@P3b7_

2 years

If ever you own crypto in your browser, in Metamask for instance, you might want to switch off your computer. This 0-day is currently exploited in the wild.

Google Issues Urgent Chrome Update to Patch Actively Exploited Zero-Day Vulnerability

Google has rolled out an urgent out-of-band update to the Chrome browser for millions of Windows, macOS and Linux users to patch a zero-day flaw.

thehackernews.com

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Charles Guillemet

@P3b7_

1 year

3/ Asymmetric cryptography. Protocols such as #bitcoin and #ethereum use an algorithm called Elliptic Curve Digital Signature to essentially prove ownership over a public address. It’s practically impossible to retrieve the private key knowing the public key (thus asymmetic)

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Charles Guillemet

@P3b7_

1 year

Insecure implementation of Bitcoin (Blockchain) transaction signatures can potentially enable attackers to extract your private keys simply by observing the chain. This paper describes another variation of ECDSA nonce attacks.

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Charles Guillemet

@P3b7_

4 years

There was one security feature not broken on SGX. It's not the case any more, SGX attestation keys are now extracted -

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Charles Guillemet

@P3b7_

5 years

1/ My take on Shamir Secret Sharing SSS is an elegant method to split a secret into n shares such that: - Any quorum of k (<= n) shares are enough to reconstruct the secret - Any quorum of m (< k) shares gives NO information on the secret [ex of quorums k=2, n=3 or k=3,n=5]

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Charles Guillemet

@P3b7_

10 months

Important take: current blockchains are not scalable. This needs to be solved or this isn't going anywhere. The last cycle was mostly around Ethereum killers. None of them really succeeded in offering scalability and decentralization. In the next cycle L2s will play a central

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Charles Guillemet

@P3b7_

5 years

Post Quantum Crypto appears in openssh 8.0!

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Charles Guillemet

@P3b7_

1 year

Let’s first clarify something key: Ledger Recover is a service that you can choose if you want to use it. There is no auto opt-in with firmware updates.

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Charles Guillemet

@P3b7_

1 year

Ouch! 🚨 UK is being isolated from the rest of the world. Facetime, iMessage, WhatsApp and Signal are pulling their product out of the UK following the UK government bill.

Apple slams UK surveillance-bill proposals

The technology giant says it could remove services such as FaceTime from the UK over potential changes

www.bbc.com

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Charles Guillemet

@P3b7_

7 months

📝 My yearly retro for 2023 and predictions for 2024 - We find ourselves in the blockchain revolution’s “broadband moment” characterized by a scalability race, a critical step before mainstream use cases emerge. My latest article is divided into two sections, each exploring

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Charles Guillemet

@P3b7_

9 months

The next halving is in 168 days. The #bitcoin     reward will be divided by 2. That means at a given hashrate, it will cost 2x more to mine 1 BTC. However, miners continue to invest. Either they bet the energy will cost 2x less or that Bitcoin price will be more than 2x...

Documenting ₿itcoin 📄

@DocumentingBTC

9 months

₿𝗥𝗘𝗔𝗞𝗜𝗡𝗚: New record #bitcoin hashrate! 450,000,000,000,000,000,000x per second

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Charles Guillemet

@P3b7_

5 years

I heard you like Rust!? It's now possible to write your own app on @Ledger Nano in Rust! Here is how:

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Charles Guillemet

@P3b7_

4 years

For the future, we're working on a plugin mechanism for ETH app allowing easier smartcontract interaction implementation. We're also thinking about a better UX for blind-signing. It will be announced soon. Stay tuned. [8/n]

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Charles Guillemet

@P3b7_

4 months

Huge! Supply chain attack using popular Linux package (liblzma) as a backdoor to compromise SSH server. Most likely a nation state move.

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Charles Guillemet

@P3b7_

1 year

Yet another variation of Spectre and Meltdown that bypasses current mitigations. And guess what? SGX is also affected. The vulnerability basically allows an attacker to spy on other processes and steal (secret) data.

New ‘Downfall’ Flaw Exposes Valuable Data in Generations of Intel Chips

The vulnerability could allow attackers to take advantage of an information leak to steal sensitive details like private messages, passwords, and encryption keys.

www.wired.com

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