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'On January 4, 2018, Symantec released an updated Eraser engine to ensure compatibility with the Microsoft out-of-band update that had been released the previous day. Symantec is also in this second group but some customers have reported that the Symantec Endpoint Protection (SEP) tray icon is reporting 'multiple problems' after applying Microsoft's update and Symantec's updated Erasure engine.

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Microsoft offers separate instructions for setting the registry key on Windows Server and Windows clients.Īntivirus firms that have confirmed compatibility and set the registry keys in their products include Avast, Avira, EMSI, ESET, F-Secure, Kaspersky, and Malwarebytes.

Others that have confirmed compatibility but haven't set the registry key in their products include CrowdStrike, Endgame, McAfee, and SentinelOne. As such, the company is currently working on setting the registry in its products.

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The company had been targeting the expected Patch Tuesday on January 9 rather than January 3. It hasn't completed compatibility testing for all its products yet because Microsoft released the patch earlier than expected, according to Trend Micro.

Cybersecurity 101: Protect your privacy from hackers, spies, the government.

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How to get a top-paying job in cybersecurity.These systems face billions of attacks every month as hackers try to guess passwords.Bandwidth CEO confirms outages caused by DDoS attack.Ransomware gangs are complaining that other crooks are stealing their ransoms.Fortinet, Shopify report issues after root CA certificate from Lets Encrypt expires.However, security researcher Kevin Beaumont has created a public spreadsheet that may help IT admins prepare for installing Microsoft's mitigations for the attack techniques that affect CPUs from Intel, AMD and Arm, albeit to differing degrees. Microsoft hasn't said which antivirus products are compatible beyond its own Windows Defender and Microsoft Security Essentials. Additionally, some antivirus companies haven't completed compatibility testing. To make matters more confusing, only some antivirus vendors are actually doing both, while others require admins to set the registry key themselves, using Microsoft's instructions. See: 50 time-saving tips to speed your work in Microsoft Office (free PDF) Third-party Windows antivirus products need to support Microsoft's security update and set a Windows registry key for customers to receive the update via Windows Update. Microsoft's testing found some antivirus products were producing errors by making unsupported calls into Windows kernel memory, resulting in blue screen of death (BSOD) errors. Oracle's critical patch update offers fixes against CPU attacksĪntivirus firms are gradually adding support for Microsoft's Windows patch for the Meltdown and Spectre attack methods that affect most modern CPUs.Īs Microsoft warned this week, it's not delivering its January 3 Windows security updates to customers if they're running third-party antivirus, unless the AV is confirmed to be compatible with it.

Four things every Windows admin needs to do now.

New updates bring fix for unbootable AMD PCs.

Apple backports Meltdown fix to older macOS versions.

Linus Torvalds criticizes Intel's 'garbage' patches.

Intel: Stop firmware patching until further notice.

Linux and Intel slowly hack their way to a Spectre patch.

Lawmakers: Why were flaws kept secret from industry?.