Cyber threat news · daily
What happened, what it means for you, and what defenders should hunt for. Plain English up top, the technical detail underneath, and a link to every original report.
Unit 42 says the Qilin and INC ransomware groups are using CVE-2026-0257, a GlobalProtect authentication bypass patched in May, to open VPN sessions without MFA and then move on to vCenter, ESXi and Veeam.
Attackers are chaining four Plex Media Server bugs, now on CISA's exploited list, to drop a cryptominer and a traffic-relay proxy on servers that never got September's fix.
Rapid7 details intrusions where attackers chained CVE-2026-88771 and CVE-2026-88779 to get root on NetScaler ADC and Gateway, then planted HA-aware persistence and stole the appliance's credentials and keys.
PHP shipped 8.5.12, 8.4.27, 8.3.36 and 8.2.35 on Oct. 21 to fix two critical bugs nicknamed php2shell, after details leaked early. Code claiming to exploit them is already circulating.
An attacker used a hijacked developer account to swap the binaries on five OVHcloud CLI releases for a build that steals cloud keys, SSH keys and AI-tool data. OVHcloud ties it to GlassWorm and says about 250 downloads happened in the 94-minute window.
Rank Math PRO 3.0.123, served from the vendor's own site for about 11 hours on Oct. 15-16, carried a backdoor that creates hidden admins and rebuilds itself. Updating alone doesn't clean it.
An attacker used ConnectWise Cloud Backup's own app credential to sign in to 173 partner and customer Microsoft 365 tenants, per Huntress. ConnectWise has taken the service offline and disabled seven app identities.
Symantec says Russia's APT28 breached a naval shipbuilder, a law enforcement agency and an aircraft-engine maker in two NATO countries, using the HOOKEDGE backdoor and a previously unseen reflective loader.
Google and Mandiant say suspected Chinese espionage group ARMORY CASTLE has exploited a BeyondTrust Remote Support zero-day since late August. Once inside, it took root, dumped stored credentials and used the support tool to reach internal machines.
Ahold Delhaize, parent of Food Lion, Stop & Shop, Hannaford and Giant, is restoring websites and apps after a cyberattack disclosed Oct. 12. Stores are open and no data theft has been found so far.
Unit 42 says a cluster it calls CL-UNK-1211 spent six months in government Linux servers using AI-generated scripts, a new Go RAT and fake red-team markers, going after databases, mailboxes and linked social media accounts.