Latest cybersecurity reporting from selected sources.

Also, More ClickFix Attacks and Teen Booters Arrested in PolandThis week, Russian hackers targeted Signal and WhatsApp users, permit-fee phishing hit U.S. applicants, ClickFix on WordPress sites, Microsoft patched 80 bugs, a 14K-router botnet, Polish teens held over DDoS tools and Finland warned of Russian, Chinese espionage. North Korean IT workers for hire.

Russian and Chinese nation-state attackers are exploiting a months-old WinRAR vulnerability, despite a patch that came out last July.

Russians, Chinese spies, run-of-the-mill crims … Come one, come all. Everyone from Russian and Chinese government goons to financially motivated miscreants is exploiting a long-since-patched WinRAR vuln to bring you infostealers and Remote Access Trojans (RATs).…

Google on Tuesday revealed that multiple threat actors, including nation-state adversaries and financially motivated groups, are exploiting a now-patched critical security flaw in RARLAB WinRAR to establish initial access and deploy a diverse array of payloads

Chinese Hackers Target European Diplomats with LNK File FlawChinese nation-state hackers are exploiting a Windows vulnerability to hack European diplomatic outposts, say security researchers - but operating system giant Microsoft says the flaw doesn't merit a patch. Hackers used a flaw already compromised by North Korea and Russia.

Also, O Canada, Oh Brother and More Probable Chinese HackingThis week, ransomware kills, Salt Typhoon hit Canada, Russian backdoors, SAP and Citrix patches, China hackers in the oil and energy sector. Brother printers have an unfixable flaw. Ransomware hit a U.S. dairy cooperative. Hackers in Albania and Oxford. European lawmakers heard cybersecurity advice.

State-sponsored cyberespionage actors from Russia and China continue to target WinRAR users with various info-stealing and backdoor malware, as a patching lag plagues the software's footprint.