CISA: Hackers now exploit SolarWinds Serv-U flaw to crash servers

Published on June 5, 2026

CISA warned today that hackers are now actively exploiting a recently patched high-severity SolarWinds Serv-U flaw to crash servers. [...]

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Chinese APT deploys new malware to keep access to hacked networks

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A Chinese espionage group tracked as UNC5221 has been accessing Microsoft 365 environments using the Brickstorm backdoor and previously undocumented malware named Plenet and AgentPSD. [...]

Suspicious Polyfill login prompts pop up on Toshiba, Muji websites

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Tech giant Toshiba and mega-retailer Muji warned visitors that suspicious sign-in screens popping up on their websites could collect credentials. [...]