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.
Today is Microsoft's February 2025 Patch Tuesday, which includes security updates for 55 flaws, including four zero-day vulnerabilities, with two actively exploited in attacks. [...]
Fortinet warned today that attackers are exploiting another now-patched zero-day bug in FortiOS and FortiProxy to hijack Fortinet firewalls and breach enterprise networks. [...]
Security researchers at Bishop Fox have published complete exploitation details for the CVE-2024-53704 vulnerability that allows bypassing the authentication mechanism in certain versions of the SonicOS SSLVPN application. [...]
Apple has released emergency security updates to patch a zero-day vulnerability that the company says was exploited in targeted and "extremely sophisticated" attacks. [...]