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hCaptcha now runs on fifteen percent of the internet
Discover how hCaptcha has become the largest independent CAPTCHA service and now runs on 15% of the internet.
Topics /
Security & Privacy
The most popular blog posts about security & privacy on Hacker News. 319 posts.
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Blur Tools for Signal
Right now, people around the world are marching and protesting against racism and police brutality, outraged by the most recent police murders of George Floyd and Breonna Taylor. At Signal, we support the people who have gone into the streets to make their voices heard. We believe that something ...
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Ring Doorbell App Packed with Third-Party Trackers
Ring isn't just a product that allows users to surveil their neighbors. The company also uses it to surveil its customers.An investigation by EFF of the Ring doorbell app for Android found it to be packed with third-party trackers sending out a plethora of customers’ personally identifiable...
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Standing on our own two feet
Update, July 10, 2023 See our new blog post for details on the September 2024 expiration of the newer ISRG Root X1 cross-sign from IdenTrust. Update, December 21, 2020 Thanks to community feedback and our wonderful partners at IdenTrust, we will be able to continue to offer service without interruption to people using…
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How to SSH Properly
This post explains security best practices to use SSH properly and securely
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HashiCorp Boundary
Simple and secure remote access — to any system anywhere based on trusted identity.
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Zoom’s Use of Facebook’s SDK in iOS Client
Learn more about how to use each Zoom product to connect with coworkers, customers, businesses, and more with insights and best practices.
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Improving DNS Privacy with Oblivious DoH
Oblivious DoH (ODoH) makes secure DNS over HTTPS (DoH) queries into private queries which prevent the leakage of client IP addresses to resolvers. The new proposed ODoH standard addresses this problem and today we are enabling users to use this protocol with 1.1.1.1
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Running your own secure communication service with Matrix and Jitsi
Matrix, the open protocol for secure decentralised communications
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Critical Bluetooth vulnerability in Android
On November 3rd, 2019, we have reported a critical vulnerability affecting the Android Bluetooth subsystem. This vulnerability has been assigned CVE-2020-0022 and was now patched in the latest security patch from February 2020. The security impact is as follows:
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Writing Safe Shell Scripts (2019)
This page was migrated from the old website and has not been manually reviewed, or is here for historical purposes. We make no guarantees that the content is up-to-date or reflects SIPB's current views. Contact sipb-www@mit.edu if anything is broken or you have other questions or feedback.
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Your Phone Is Your Castle
Purism makes premium phones, laptops, mini PCs and servers running free software on PureOS. Purism products respect people's privacy and freedom while protecting their security.
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Speeding up Linux disk encryption
Encrypting data at rest is vital for Cloudflare with more than 200 data centres across the world. In this post, we will investigate the performance of disk encryption on Linux and explain how we made it at least two times faster for ourselves and our customers!
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PRISM – NSA surveillance program did not prevent a single terrorist attack
Mass surveillance costs millions of Dollars. Yet, it does not improve security.
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Nikola: How to Parlay an Ocean of Lies into a Partnership with GM
Initial Disclosure: After extensive research, we have taken a short position in shares of Nikola Corp. This report represents our opinion, and we encourage every reader to do their own due diligence. Please see our full disclaimer at the bottom of the report.
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Chromium project finds that 70% of security defects are memory safety problems
The Chromium project finds that around 70% of our serious security bugs are memory safety problems . Our next major project is to prevent such bugs at source.
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Palo Alto Networks sends cease-and-desist letter to take down review videos
In response to our Cloud Security Punch-Out! videos, Palo Alto Networks sent this cease and desist letter, demanding the comparison be removed. Here is my response.
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New study: The advertising industry is systematically breaking EU law
The online advertising industry is behind comprehensive illegal collection and indiscriminate use of personal data, research from the Norwegian Consumer Council shows.
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Let's Encrypt's New Root and Intermediate Certificates
On Thursday, September 3rd, 2020, Let’s Encrypt issued six new certificates: one root, four intermediates, and one cross-sign. These new certificates are part of our larger plan to improve privacy on the web, by making ECDSA end-entity certificates widely available, and by making certificates smaller. Given that we…
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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.
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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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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