false positives

Microsoft Defender for Endpoint began issuing persistent, misleading “BIOS update” alerts for many Dell systems on October 2, 2025 — a false‑positive caused by a code defect in Defender’s vulnerability‑fetching logic that Microsoft says has been identified and for which a corrective patch has...

Microsoft Defender for Endpoint began firing repeated alerts telling users to update Dell machines’ BIOS — a false positive caused by a logic bug in Defender’s vulnerability-fetching code — and although Microsoft says a fix has been developed, administrators are left juggling alert fatigue...

Windows’ built‑in protection is usually a silent, helpful bodyguard — but when Microsoft Defender (Windows Security) quarantines or removes a file you know is safe, it can suddenly become a workflow blocker. This guide explains why Defender removes files, how to safely prevent automatic...

Microsoft Defender SmartScreen in Microsoft Edge acts as a live reputation and content filter that warns users about phishing pages, malicious downloads, and suspicious sites before they can do harm. (support.microsoft.com, learn.microsoft.com) Background Microsoft Defender SmartScreen began as...

Microsoft's introduction of Smart App Control (SAC) in Windows 11 has sparked considerable discussion within the tech community. Positioned as an AI-driven security feature, SAC aims to proactively block untrusted or potentially harmful applications. However, Microsoft's characterization of SAC...

Anyone relying on smooth, uninterrupted digital communication probably felt an unpleasant jolt between April 22 and April 24, when Microsoft's Exchange Online took it upon itself to flag perfectly legitimate Adobe emails as spam—because who doesn't enjoy a little surprise inbox purgatory before...

Just as IT pros everywhere were stretching, caffeinating, and preparing for another ordinary Monday, Microsoft’s Exchange Online machine learning models decided to tackle spam in a manner that can only be described as “unapologetically enthusiastic.” Picture this: Adobe emails—the trusty...

The night was humming with the quiet, digital anxiety only IT professionals know too well when the heartbeat of business thrums through cloud infrastructure and acronyms like MFA, MACE, and Entra are uttered with the reverence reserved for ancient gods. Into this perfectly (and precariously)...

Introduction Microsoft Defender for Endpoint is receiving a significant upgrade that aims to tighten security defenses by automatically blocking unwanted traffic from undiscovered endpoints. This innovative feature is designed to stem malicious lateral movement within network environments...

Let’s face it, we’ve all been there—a trusted app flagged as a malicious entity by Windows Security. It’s a nuisance, but that’s where exclusions come in handy. Microsoft makes it relatively straightforward for users to tell their system, “Hey, this file, folder, or process is in the clear, so...

ExplorerPatcher, a beloved UI customization tool within the Windows 11 enthusiast community, has rolled out a significant update that promises to enhance user experience and address critical issues faced by its user base. This latest release underscores the ongoing tug-of-war between third-party...

Hello dear friends. I wanted to ask you about some logs that from my exchange server which i catch with qradar. They are all with qid: 5000830 or eventid:4624 which is a successful login to a server or anything. I use a rule which tells me if someone logs in to the exchange server from an...

Hello everyone, Tonight, we implemented CloudFlare, which uses its own content delivery network and content processing. Were the site to go down, content would continue to be available for a number of days, even if our servers that process that data goes down. This is not the first time that we...

Describes a problem in the leak check tool in Application Verifier in which false-positive results are constantly generrated when a well-behaved driver is being tested and Application Verifier is enabled. Link Removed

First, I don't know if this is the right place to ask this one but since Avira's website offers absolutely no help at all, I'm going to try. After yesterday's update (03-31), Avira started scanning as usual. This time however, it started giving an extreme ammount of virus report. Basicly, it...

Link Removed due to 404 Error false positive is another way of saying ‘mistake’. As applied to the field of anti-virus programs, a false positive occurs when the program mistakenly flags an innocent file as being infected. This may seem harmless enough, but false positives can be a real...

INSECURITY OUTFIT Avast yesterday released an update that caused its antivirus software to report scores of clean, legitimate software programs as being riddled with malware. According to a blog post by the company, the bad false positive issue came about following an update sent out around...

Are there any risks using the free products versus the purchased products? I have used a variety of the free products and each has produced some false positives. Not sure of they have missed any viruses or not.

I was wondering what others have experinced with this. The first time I ran it under Win 7 7127, it found 78 System Optimisations, and 6350 Security Defense isuses;!! Even if half of them are false positievs, that is unbeleiveable! :eek: