You have probably seen a file named “go.sum” in almost every Go project you have worked on. You may have even seen it change every time you run “go mod tidy”. But do you actually know what it does? It is one of those files that works silently in the background, and some developers never stop to think about it. The “go.sum” file is one of those files you never really interact with directly, but it
CopyFail Linux Root, cPanel Auth Bypass, & Numeric Data Exfil Techniques Today's Highlights Critical Linux kernel vulnerability 'CopyFail' grants root access, demanding immediate patching. Additionally, a cPanel authentication bypass (CVE-2026-41940) requires high-fidelity checks, and novel numeric-only data exfiltration methods highlight the need for advanced defensive strategies. So