What’s Listening on Your Linux PC? Check Local Ports with ss
See which sockets are waiting on your Linux PC with a read-only ss check. Learn what local addresses and process details can tell you, and what they cannot.
Cybersecurity
Chrome Now Warns Before Opening HTTP Sites
Chrome's HTTP warning is now a default protection. Here's what changes for visitors, why some sites are exempt and what website owners should check.
PHP2Shell Flaws Put Web Servers at Risk
PHP2Shell affects PHP itself, not just WordPress. Here are the fixed versions, the latest follow-up warning, and what the evidence says about attacks.
Check a Download Before You Run It: Verify Its SHA-256 Hash
Check a download’s SHA-256 hash on Windows, macOS or Linux, understand what a match means, and know when to stop.
Spyware delivered through ads makes 'don't click' incomplete advice
Citizen Lab traced spyware attacks to targeted ads that needed no click. What the evidence shows, and which privacy measures can reduce your exposure.
Cisco's email gateway is under attack. Check the scanner update, then check for compromise.
Cisco has fixed an actively exploited email gateway flaw. A scanner update can close the hole without a restart, but suspected compromise needs a separate response.
Office LTSC 2021 reaches end of support. You don't have to move to the cloud.
Microsoft's support deadline is here. Your apps won't suddenly stop, but security fixes end. Check your edition and plan a supported replacement.