Latest cybersecurity reporting from selected sources.

Also, Arch Linux Attack, Estonia Quarantines Russian Emails, Joomla FlawThis week, ShinyHunters leaked alleged Madison Square Garden data, a U.S. senator pressed CISA on regional staffing cuts, an Arch Linux supply-chain attack, Mackay Sugar began recovery from a ransomware attack, Novo Nordisk faced dueling breach claims - and more compelling cybersecurity news.

Backdoored Python Packages Likely Work of 'Gleaming Pisces,' Says Palo AltoA North Korean hacking group with a history of a stealing cryptocurrency is likely behind a raft of poisoned Python packages targeting developers working on the Linux and macOS operating systems in an apparent attempt at a supply chain attack.

Malicious Code in Utility Designed to Facilitate Full, Remote Access to SystemNation-state attackers apparently backdoored widely used, open source data compression software as part of a supply-chain attack. Malicious code inserted into recent versions of XZ Utils was designed to facilitate full, remote access to an infected system.

Outdated Software, Exploited Flaws, Security Loopholes Expose Ivanti's DevicesSupply chain security firm Eclypsium found corporate VPN maker Ivanti's Pulse Secure devices - which underwent much emergency patching amid a likely Chinese espionage zero-day hacking campaign - operate on an 11-year old version of Linux and use many obsolete software packages.