Visual guide to SSH tunneling and port forwarding (2023)
Sysadmin doing syadmin stuff
Topics /
The most popular blog posts about security & privacy on Hacker News. 8,767 posts.
Sysadmin doing syadmin stuff
The U.S. government has taken the opportunity during the global pandemic, when people aren't traveling out of the country much, to roll out a new platform for storing information they believe they are entitled to take from people crossing the border. A new filing reveals how the U.S. Border Patrol will store data from…
As an early domain name investor, Mike O’Connor had by 1994 snatched up several choice online destinations, including bar.com, cafes.com, grill.com, place.com, pub.com and television.com. Some he sold over the years, but for the past 26 years O’Connor refused to auction perhaps the most sensitive domain in his stable…
Kaspersky analysis of the backdoor recently found in XZ, which is used in many popular Linux distributions and in OpenSSH server process.
Yesterday, we published a blog post lauding an extremely important app privacy feature that was added in Android 4.3. That feature allows users to install apps while preventing the app from collecting sensitive data like the user's location or address book.[caption]The App Ops interface removed in...
You're reading the Keybase blog. There are more posts . When you're done, you can install Keybase .
Abstract: SSL (Secure Sockets Layer) is the de facto standard for secure Internet communications. Security of SSL connections against an active network attacker depends on correctly validating public-key certificates presented when the connection is established. We demonstrate that SSL certificate validation is…
This blog is written by Hanno Böck. Unless noted otherwise, its content is licensed as CC0 .
A tale about exploiting KernelCTF Mitigation, Debian, and Ubuntu instances with a double-free in nf_tables in the Linux kernel, using novel techniques like Dirty Pagedirectory. All without even having to recompile the exploit for different kernel targets once.
Robert O'Callahan. Christian. Kiwi. Software guy. All content human-authored unless otherwise noted.
A rare and revealing breach attributed to a North Korean-affiliated actor, known only as “Kim” as named by the hackers who dumped the data, has delivered a new insight into Kimsuky (APT43) tactics, techniques, and infrastructure. This actor's operational profile showcases credential-focused intrusions targeting South…
250 million leaked conversations between Microsoft customer support agents and customers were left exposed on the web, putting users at risk of phishing.
Web developer and cybersecurity researcher
Imagine buying an internet-enabled surveillance camera, network attached storage device, or home automation gizmo, only to find that it secretly and constantly phones home to a vast peer-to-peer (P2P) network run by the Chinese manufacturer of the hardware. Now imagine that the geek gear you bought doesn’t actually…
Adam Kues used a $200 GPT5.6 Sol Ultra subscription to discover a pre-authentication SQL injection and full RCE exploit chain in WordPress Core – a chain that chains a batch API desync, cache poisoning, changeset abuse, and hook injection into a complete takeover.
-- "Have you ever detected anyone trying to add a backdoor to curl?" -- "Have you ever been pressured by an organization or a person to add suspicious code to curl that you wouldn't otherwise accept?" -- "If a crime syndicate would kidnap your family to force you to comply, what backdoor would you be … Continue…
Panerabread.com , the Web site for the American chain of bakery-cafe fast casual restaurants by the same name, leaked millions of customer records — including names, email and physical addresses, birthdays and the last four digits of the customer’s credit card number — for at least eight months before it was yanked…
The world's worst security flow
We have found that you could be leaking traffic on macOS after system updates. To our current knowledge a reboot resolves it. We are currently investigating this and will follow up with more information.
As a part of my work I do security research for various apps and websites. I wanted to see if LLMs could reproduce a common class of exploits I've found in multiple apps. So I built a deliberately vulnerable book review app and spent $1,500 finding out…
So, let's say that a security vendor, we'll call them ClownStrike, accidentally takes down most of their Windows install base with a poorly tested content update. Rough day at the office, huh? There are lots of things you could say about this, lots of reasons it happens this way, lots of people to blame and not to…
The Git community has disclosed an industry-wide security vulnerability in Git that can lead to arbitrary code execution when a user operates in a
Earlier this month, employees at more than 1,000 companies saw one or two paycheck’s worth of funds deducted from their bank accounts after the CEO of their cloud payroll provider absconded with $35 million in payroll and tax deposits from customers . On Monday, the CEO was arrested and allegedly confessed that the…
The frozen pizza aisle has become the national security risk du jour
Edward Snowden recently released his memoirs. In some parts of the Internet, this has rekindled an ancient debate: namely, was it all worth it? Did Snowden’s leaks make us better off, or did …
Nearly every modern smartphone is equipped with an accelerometer, which, as the name implies, is a sensor that measures acceleration. It’s most commonly used for detecting the device’s orientation. It also has many other uses, whether as a game controller in racing games, as a pedometer for counting daily steps, or to…