It's story time here in the Paranoid Penguin. Don't worry—the story is a preface to the nuts-and-bolts sort of stuff you've come to expect in LJ. In fact, there are so many nuts and bolts to play with ...

What is SSL/TLS? SSL and TLS are protocols used on the transport layer, which is used to provide a secure connection between two nodes in a computer network. The first widely used protocol that was ...

Discover the top 10 CI/CD tools of 2025 that enhance DevOps team efficiency, automating code building, testing, and deployment processes. Make informed decisions for your software development needs.

Kitty is one of the many terminal emulators for Linux and macOS. You probably don’t think much about your terminal emulator: ...

Chinese hackers are exploiting a critical Cisco email security flaw, gaining root access and installing backdoors. This ...

The logical next step thereafter is to enable remote access to all these services even when you're disconnected from the home ...

There’s something immensely satisfying about taking a series of low impact CVEs, and stringing them together into a full exploit. That’s the story we have from [Mehmet Ince] of ...

React2Shell vulnerability CVE-2025-55182 is actively exploited to deploy Linux malware, run commands, and steal cloud ...

Cisco warned customers today of an unpatched, maximum-severity Cisco AsyncOS zero-day actively exploited in attacks targeting ...

Picochess is a chess program for the Raspberry Pi that you can use to carry out analyses, train openings, and master games.

Ransomware groups are targeting hypervisors to maximize impact, allowing a single breach to encrypt dozens of virtual ...

Cron persistence is a common Linux malware technique. Learn how it works, how to detect it, and how to remove malicious cron ...