Deltatech Computer Systems & Solutions

Is your antivirus actually protecting you? 🛡️💻

A troubling new report shows that hackers have found ways to exploit Microsoft Defender on Windows 10 and 11.

Instead of stopping threats, the vulnerabilities allow attackers to use the antivirus software to take over your computer!

The Quick Facts:
❌ 3 Exploits were discovered by security researchers.
❌ 2 remain unpatched, meaning there isn't a "fix" for them just yet.
❌ Hackers can gain "SYSTEM" access, giving them total control over a device.

What should you do?
1️⃣ Update Now: Microsoft has already patched one of the major flaws (BlueHammer). Check your Windows Update settings and install any pending updates immediately.
2️⃣ Be Alert: Cybercriminals often use these exploits after gaining initial entry through phishing or weak passwords.
3️⃣ Watch for Updates: Keep an eye out for upcoming "Patch Tuesday" releases from Microsoft to fix the remaining issues.

Cybersecurity is a moving target. Don't let your guard down! 🛡️

Read more: https://www.eweek.com/news/microsoft-defender-flaws-exploited-windows-10-11/

Microsoft Defender Flaws Exploited on Windows, Two Left Unpatched Although the team with Microsoft moved swiftly to patch the BlueHammer vulnerability, other exploits still threaten Microsoft Defender and Windows users.

⚠️ Don't scan that code! Microsoft warns of a massive surge in "Quishing."

A new report from Microsoft reveals they flagged a staggering 8.3 billion phishing emails in the first three months of 2026. But it’s not just about the number of emails, it’s about how they’ve changed:

📸 The QR Code Trap: Attackers are moving away from links and using QR codes instead. Why? Because they are harder for security software to "read," and they trick you into using your personal phone, where you might not have company security filters.

🧩 Fake CAPTCHAs: Those "Verify you are human" boxes? Hackers are now using fake versions to hide malicious files from security bots, making the site look "safe" to the average user.

💼 Simple Lures: Business scams are becoming more conversational. Instead of a "bank alert," you might get a simple "Hi, are you free?" from a fake executive account.

How to stay safe:
✅ Be skeptical of QR codes in emails.
✅ Use multi-factor authentication (MFA) that is "phishing-resistant" (like security keys).
✅ Never click or scan anything from an unexpected "Invoice" or "Payment" email without verifying the source.

Stay vigilant! 🛡️

Full story here: https://www.techrepublic.com/article/news-microsoft-phishing-emails-qr-codes-captcha-phaas/

Microsoft Flagged 8.3B Phishing Emails in Q1 as QR Codes, CAPTCHAs Rise Microsoft flagged 8.3 billion phishing emails as attackers turned to QR codes, fake CAPTCHAs, PhaaS kits, and file-based payloads.