Patch management fixes known software flaws before attackers exploit them, reducing intrusion risk; prioritize critical systems and verify deployment.
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Background for this topic.
Patch is a software, firmware, or configuration update that fixes a defect, including a vulnerability an attacker could use to gain access, execute code, escalate privileges, or expose data. Patching reduces the exploitable attack surface across operating systems, applications, network devices, and embedded systems; it does not remove risk from unsupported or misconfigured assets, and updates can sometimes introduce compatibility or availability problems.
Effective patch management starts with an accurate inventory and vulnerability assessment, then prioritizes internet-facing systems, high-impact assets, and flaws known to be exploited. Organizations should test updates where practical, deploy them within defined time limits, verify installation, and retain rollback or compensating controls when immediate patching is unsafe. Monitoring vendor advisories and threat intelligence can identify urgent fixes, while documenting exceptions and coverage supports vulnerability management and audit requirements.
Everyone knows to patch vulnerabilities for Internet-facing assets, but what about internal ones? One botnet is counting on your complacency.
Free unofficial patches are available for a new Windows zero-day vulnerability dubbed 'EventLogCrasher' that lets attackers remotely crash the Event Log service on devices within the same Windows domain. [...]
Ivanti has finally released updates to fix two zero-day bugs and two new high-severity vulnerabilities
Company Starts Patch Rollout for Flaws Exploited by Likely Chinese Intelligence OpCorporate VPN maker Ivanti on Wednesday began a belated patch rollout for zero-day flaws that many cybersecurity firms say paved the way for an espionage hacking operation likely conducted by China. Ivanti also disclosed two more zero-days and told customers that hackers are exploiting one of them.
Both China-backed APTs and ordinary cyberattackers have seized on a pair of Ivanti VPN bugs for global exploitation.
CISA warned today that a patched kernel security flaw affecting Apple iPhones, Macs, TVs, and watches is now being actively exploited in attacks. [...]
Many versions still without fixes while sophisticated attackers bypass mitigations Ivanti has finally released the first round of patches for vulnerability-stricken Connect Secure and Policy Secure gateways, but in doing so has also found two additional zero-days, one of which is under active exploitation.…
The RCE/auth bypass bugs in Connect Secure VPNs have gone unpatched for 20 days as state-sponsored groups continue to backdoor Ivanti gear.
Multiple publicly available exploits have since been published for the critical flaw The number of public-facing installs of Jenkins servers vulnerable to a recently disclosed critical vulnerability is in the tens of thousands.…
A now-patched security flaw in Microsoft Outlook could be exploited by threat actors to access NT LAN Manager (NTLM) v2 hashed passwords when opening a specially crafted file
Customers are urged to patch now after exploits are released for critical vulnerability in Jenkins
Multiple proof-of-concept (PoC) exploits for a critical Jenkins vulnerability allowing unauthenticated attackers to read arbitrary files have been made publicly available, with some researchers reporting attackers actively exploiting the flaws in attacks. [...]