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IBM Releases Fully Homomorphic Encryption Toolkit for macOS and iOS
At IBM Research, we’re inventing what’s next in AI, quantum computing, and hybrid cloud to shape the world ahead.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 4,439 posts.
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Looking back at how Signal works
In the midst of world-wide protests against racism and police brutality, a lot of people are becoming more immediately aware and concerned about the security of their data and online communication. We’ve gotten a lot of questions at Signal over the past week, so we wanted to briefly recap how it ...
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Focus by Firefox, a Content Blocker for iOS
Today we’re pleased to announce the launch of Focus by Firefox, a free content blocker for Safari users on iOS 9 that gives users greater control of their mobile Web ...
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Attackers can decloak routing-based VPNs
We discovered a fundamental design problem in VPNs and we're calling it TunnelVision. This problem lets someone see what you're doing online, even if you think you're safely using a VPN.
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Seven diabetes patients die due to undisclosed bug in Abbott's glucose monitors
I wrote last month about my diabetes diagnosis this year and my difficult choice to wear a proprietary device (called a CGM) on my arm 24/7 to continuously monitor my glucose levels. Like my friend and colleague, Karen M. Sandler — who previously made a much higher-stakes choice to receive a proprietary implanted…
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OpenSSH Post-Quantum Cryptography
OpenSSH post quantum cryptography
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DOJ plans to strike against encryption while the Techlash iron is hot
There’s a story in today’s Washington Post “Cybersecurity 202” newsletter that confirms that the Department of Justice is capitalizing on the techlash in order to build up congressional support for the DOJ’s long-desired goal of legislation that will restrict your freedom to encrypt your data and
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Escaping Docker container using waitid() – CVE-2017-5123
Prisma Cloud is the most complete Cloud Native Application Protection Platform (CNAPP) for code to cloud security in any cloud, multicloud, and hybrid environment.
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Let's Encrypt has issued its first million certificates
At 9:04am GMT today, the Let's Encrypt Certificate Authority issued its millionth certificate. This is an amazing success, coming only 3 months and 5 days since a beta version of the service became publicly available. We're very excited to be building a more secure and fully encrypted future for...
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Internet voting is insecure and should not be used in public elections
All internet voting systems are insecure. The insecurity is worse than a well-run conventional paper ballot system, because a very small number of people may have the power to change any (or all) votes that go through the system, without detection.
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Is This Justice? Charging an Eighth Grader with a Felony for “Hacking”
A 14-year-old eighth grader in Florida, Domanik Green, has been charged with a felony for “hacking” his teacher’s computer. The “hacking” in this instance was using a widely known password to change the desktop background of his teacher’s computer with an image of two men kissing. The outrage of...
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My minute-by-minute response to the LiteLLM malware attack
The full Claude Code transcript from discovering and responding to the litellm 1.82.8 PyPI supply chain attack on March 24, 2026 — from mysterious process explosions to malware identification to public disclosure.
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How to use BeyondCorp to ditch VPN, improve security and go to the cloud
The BeyondCorp security engineering team at Google just announced their fourth research paper.
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TLS 1.3 approved
Search IETF mail list archives
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Git password authentication is shutting down
As previously announced, starting on August 13, 2021, at 09:00 PST, we will no longer accept account passwords when authenticating Git operations on GitHub.com. Instead, token-based authentication (for example, personal…
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Why ProtonMail is more secure than Gmail
Proton Mail is a private email service takes a radically different approach to security. Find out how Proton Mail security compares to Gmail security.
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The WebP 0day
Early last week, Google released a new stable update for Chrome. The update included a single security fix that was reported by Apple's Security Engineering and Architecture (SEAR) team. The issue, CVE-2023-4863, was a heap buffer overflow in the WebP image library, and it had a familiar
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Vault – A tool for managing secrets
Vault is a platform for centralized secrets management, encryption as a service, and identity-based access.
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Over the Air: Exploiting Broadcom’s Wi-Fi Stack
Posted by Gal Beniamini, Project ZeroIt’s a well understood fact that platform security is ...
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TeamViewer stores user passwords in registry, encrypted with hard-coded key
Oh man where to even begin with this one. This was a crazy ride and I learned a ton along the way.
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Moving from reCAPTCHA to hCaptcha
We recently migrated the CAPTCHA provider we use from Google's reCAPTCHA to a service provided by the independent hCaptcha. Here's a walk through of the rationale in more detail.
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Geedge and MESA leak: Analyzing the great firewall’s largest document leak
The Great Firewall of China (GFW) experienced the largest leak of internal documents in its history on Thursday September 11, 2025. Over 500 GB of source code, work logs, and internal communication records were leaked, revealing details of the GFW's research, development, and operations.
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Yahoo's Fight for its Users Earns the Company Special Recognition by EFF
Each year, EFF’s Who Has Your Back campaign assesses the policies and practices of major Internet companies as a way to encourage and incentivize those companies to take a stand for their users in the face of government demands for data. Normally, when a company demonstrates it has a policy or...
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US Sought Permission to Change Historical Record of a Public Court Proceeding
A few weeks ago we fought a battle for transparency in our flagship NSA spying case, Jewel v. NSA. But, ironically, we weren't able to tell you anything about it until now. On June 6, the court held a long hearing in Jewel in a crowded, open courtroom, widely covered by the press. We were even on...
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The FBI Should Stop Attacking Encryption
Federal law enforcement has been asking for a backdoor to read Americans’ encrypted communications for years now. FBI Director Christopher Wray did it again last week in testimony to the Senate Judiciary Committee. As usual, the FBI’s complaints involved end-to-end encryption employed by popular...
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WFH – Watched from Home: Office 365 and workplace surveillance creep (2022)
Imagine your performance at work was assessed directly from the amount of e-mails sent, the amount of time consumed editing a document, or the time spent in meetings or even moving your mouse. This may sound ludicrous but your boss might be doing exactly that.