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Category Archives: Security
What's going on in France: One data breach after another
Recently I found myself wondering what's been going on in France lately. For the past few days, one major data breach after another has come to public. All of them stem from hacks of government platforms or large organizations. Here's … Continue reading
AI Risks: Insurers Are Taking Precautions
Jump into AI projects left and right, and if things go wrong—whether because regulators slap on a hefty fine or a cyberattack damages the company—just rely on cyber insurance? Insurers are now taking steps to limit coverage for AI risks—and … Continue reading
Microsoft says that Defender is sufficient for virus protection
When it comes to virus protection and securing Windows, the market for third-party antivirus solutions is shrinking. Microsoft claims that Microsoft Defender, which comes bundled with Windows, is actually sufficient as a security solution to protect against viruses and malware.
Microsoft released Azure Sentinel (SIEM) Toolkit
A quick note for readers responsible for securing Microsoft Azure cloud services. Microsoft has essentially released its entire Azure Sentinel (SIEM) toolkit as "open source." The Sentinel GitHub repository contains extensive documentation and over 1,000 pre-built threat detection rules. Read … Continue reading
Exchange Online: TLS 1.0/1.1 will no longer be supported for POP and IMAP starting in July 2026
Microsoft has announced that deprecated TLS versions and endpoints for POP and IMAP in Exchange Online will no longer be supported starting in July 2026. This is because Microsoft plans to completely discontinue support for deprecated TLS versions (TLS 1.0 … Continue reading
Why ISL Online: Critical factors when choosing a remote desktop solution
[Sponsored Post]In the rapidly evolving IT world, choosing the right remote desktop software is critical for organizations that value security, ease of use and reliability. One provider of secure remote access that has been on the market since 2001 is ISL Online, which presents some considerations for choosing such software below. More ...
Cloud Code Coding Agent Deletes Company Database and Backups
That didn't quite go as planned: A Cloud Code Coding agent (Cursor) caused a database to be deleted by a company's infrastructure provider. At the same time, the backups were also deleted by the infrastructure provider because they had linked … Continue reading
0patch fix for Windows Server telephony vulnerability CVE-2026-20931
Windows Server contains a telephony vulnerability (CVE-2026-20931) that allows for privilege escalation. Microsoft patched the vulnerability in January 2026, but this has caused issues. ACROS Security recently released a 0patch micropatch to address this telephony vulnerability, CVE-2026-20931, for Windows Server … Continue reading
Samsung's April 2026 Android update breaks Microsoft 365 apps / Authenticator
[German]Samsung has apparently been rolling out the April 2026 Android security update for several days now. A reader pointed out to me that there are serious issues with Microsoft 365 apps on Android once the update is installed. Microsoft Teams … Continue reading
Windows Defender 0-days: BlueHammer (patched) and RedSun (unpatched)
There are several critical vulnerabilities in Microsoft Defender, that put Windows systems at risk. A security researcher has published an 0-day-exploit named BlueHammer on April 3, 2026, that has been patched on April 14, 2026. But there is still an … Continue reading
Remote Desktop Phishing Protection in the April 2026 Update Causes Confusion
[German]On April 14, 2026 (Patch Day), Microsoft released a fix for Remote Desktop to protect RDP connections against phishing attacks. Users now see a warning message when establishing an RDP connection. This has caused a lot of confusion and issues. … Continue reading
Posted in issue, Security, Update, Windows
Tagged Patchday 4.2026, Remote Desktop, Security, Update, Windows
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