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ThreatLocker Patch Management: A Security-First Approach to Closing Vulnerability Windows. Patching vulnerabilities is one of the most basic principles of cybersecurity — and one of the hardest to execute consistently and securely at scale. In today’s threat landscape, adversaries routinely exploit vulnerabilities within hours of public disclosure. Yet, operational constraints, patch instability, and incomplete visibility into assets make it almost impossible for many organizations to patch fast enough without introducing new risks. ThreatLocker Patch Management is built to tackle this reality head-on, providing security teams with greater control, visibility, and confidence over patching workflows — without compromising the stability of production systems. Why Traditional Patch Management Strategies Fall Short For most organizations, patching is treated as a race against time. As soon as a critical CVE drops — whether it’s another Microsoft Exchange zero-day (think ProxyShell, CVE-2021-34473) or a remote code execution bug in Chrome — IT scrambles to deploy vendor patches as fast as possible. But patching under pressure often introduces its own risks: In fact, according to the 2023 Top Routinely Exploited Vulnerabilities (CISA), many breaches traced back to vulnerabilities that had patches available for months, or even years — a clear sign that it's not awareness that's lacking, but execution. Patched Doesn’t Mean Safe—Lock Down App Behavior with ThreatLocker Ringfencing Even fully patched apps can be exploited. ThreatLocker Ringfencing™ controls what approved applications can access—like files, scripts, or the internet—stopping living-off-the-land attacks and preventing lateral movement before it starts ThreatLocker Patch Management: Designed for Zero Trust Environments ThreatLocker flips the typical patching script by assuming that every change — even a vendor patch — must be treated as untrusted until verified. Here’s how it strengthens the process: Before patches are made publicly available to organizations, it goes through an internal round of review and testing. ThreatLocker Application Engineers are the ones that make this possible. The team leverages the use of built-in applications, which are a repository of over 8000 applications that are commonly used. This gives security teams the foundation needed for a modern patch management solution. Here’s their approach: Practical Example: Patching Fast Against Active Exploitation When CVE-2023-23397 — a zero-click vulnerability in Microsoft Outlook — was disclosed, it sent security teams scrambling.  Attackers could trigger authentication leaks simply by sending a specially crafted email — no user interaction needed. Organizations relying on traditional patch management workflows ran into immediate problems: ThreatLocker users, however, were positioned to respond faster: Instead of days of scrambling, ThreatLocker customers were able to mitigate the risk window within hours — maintaining both system uptime and security integrity. Closing the Vulnerability Gap: Visibility, Control, Speed ThreatLocker Patch Management isn’t just about automating updates — it’s about giving security teams the tools they need to: In an era where adversaries move faster than ever — leveraging automation, AI, and zero-day brokers — organizations can't afford manual, ad hoc patching practices. Precision patch management is no longer a "nice to have" — it’s a core part of a modern cyber defense strategy. Final Thoughts Patching is often called "basic cyber hygiene," but in practice, doing it right is anything but simple. ThreatLocker Patch Management brings clarity, control, and speed to a process that has historically been riddled with risk and uncertainty. For organizations serious about security, patch management must move beyond compliance checkboxes — it must become a strategic, security-first process. ThreatLocker helps make that possible. Learn more about ThreatLocker Patch Management.  Sponsored and written by ThreatLocker.