22 Jun, 2026

Microsoft Defender bug triggers erroneous BIOS update alerts

Microsoft is working to resolve a bug that causes Defender for Endpoint to incorrectly tag some devices’ BIOS (Basic Input/Output System) firmware as outdated, prompting users to update it. In a service alert seen by GeekFeed, Redmond said that this known issue affects Dell devices and is caused by a Defender for Endpoint logic bug. “Microsoft have identified […]

1 min read

Microsoft adds malicious link warnings to Teams private chats

Microsoft Teams will automatically alert users when they send or receive a private message containing links that are tagged as malicious. Microsoft will introduce these new warnings for messages containing URLs that have been flagged as spam, phishing, or malware, for all Microsoft Defender for Office 365 (MDO) and Microsoft Teams enterprise customers. The new link […]

2 mins read

Microsoft Defender for Office 365 now blocks email bombing attacks

Microsoft says its Defender for Office 365 cloud-based email security suite will now automatically detect and block email bombing attacks. Defender for Office 365 (formerly known as Office 365 Advanced Threat Protection or Office 365 ATP) protects organizations operating in high-risk industries and dealing with sophisticated threat actors from malicious threats from email messages, links, […]

2 mins read

New ‘Defendnot’ tool tricks Windows into disabling Microsoft Defender

A new tool called ‘Defendnot’ can disable Microsoft Defender on Windows devices by registering a fake antivirus product, even when no real AV is installed. The trick utilizes an undocumented Windows Security Center (WSC) API that antivirus software uses to tell Windows it is installed and is now managing the real-time protection for the device. When […]

2 mins read

Microsoft Defender will isolate undiscovered endpoints to block attacks

Microsoft is testing a new Defender for Endpoint capability that will block traffic to and from undiscovered endpoints to thwart attackers’ lateral network movement attempts. As the company revealed earlier this week, this is achieved by containing the IP addresses of devices that have yet to be discovered or onboarded to Defender for Endpoint. Redmond says […]

2 mins read

Microsoft Edge update adds AI-powered Scareware Blocker

Microsoft Edge 133 is now rolling out globally, and it ships with several improvements, including a new scareware blocker feature. In addition, Microsoft is updating the backend of the Downloads UI with performance improvements. For those unaware, “scareware scams” are also known as tech support scams and they trick victims with alarming web pages claiming their […]

1 min read

Microsoft kills off Defender ‘Privacy Protection’ VPN feature

Microsoft announced it is killing off its Privacy Protection VPN feature in the Microsoft Defender app at the end of the month to focus on other features. The tech giant’s announcement does not give a detailed explanation as to why the feature is being deprecated. However, the wording indicates the feature is not being heavily used, and the […]

2 mins read

Microsoft Defender adds detection of unsecure Wi-Fi networks

Microsoft Defender now automatically detects and notifies users with a Microsoft 365 Personal or Family subscription when they’re connected to unsecured Wi-Fi networks. The Defender privacy protection feature (also known as Defender VPN) protects your privacy and security when connected to public Wi-Fi or an untrusted network, where your data and identity could be exposed […]

3 mins read