Microsoft introduced an Outlook DMARC email rejection rule, bouncing messages lacking DMARC records with the 550 5.7.1 authentication error.

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The post Outlook DMARC Email Rejection Policy Bounces Unsigned Messages appeared first on Daily CyberSecurity.

Kerio Connect vulnerability CVE-2026-112353, a stored XSS flaw via SVG attachments, is exploited in the wild to steal mailboxes. Update to 10.0.8p2.

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The post Kerio Connect Vulnerability CVE-2026-112353 Exploited in the Wild to Steal Mailboxes appeared first on Daily CyberSecurity.

A Roundcube security update fixes 20 flaws, including IMAP command injection and header injection. Upgrade to 1.6.20 or 1.7.5 now.

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The post Roundcube 1.6.20 and 1.7.5 Fix 20 Security Flaws, Including IMAP Command Injection appeared first on Daily CyberSecurity.

A Power BI phishing campaign uses Microsoft's real domain to install rogue ScreenConnect clients. Learn how it works and how to block it.

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The post Phishing Campaign Abuses Microsoft Power BI to Install Rogue ScreenConnect Clients appeared first on Daily CyberSecurity.

Twenty CRM vulnerability CVE-2026-105763 (CVSS 9.6) enables plaintext password disclosure of IMAP and SMTP accounts. Upgrade to 2.7.0.

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The post Twenty CRM Flaw CVE-2026-105763 Exposes Plaintext Email Passwords to Any Workspace Member appeared first on Daily CyberSecurity.

Zimbra CVE-2026-73570 lets one crafted email run code. Microsoft details the Zimbra command injection attacks: web shells, root access, and key theft.

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The post Microsoft Tracks Zimbra CVE-2026-73570 Attacks That Steal Mail and Auth Keys appeared first on Daily CyberSecurity.

SVG phishing attacks jumped in August 2026. Symantec explains how SVG smuggling hides fake logins and malware inside image files, and how to stop it.

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The post SVG Phishing Attacks Return in August as Symantec Logs 222,000 Detections appeared first on Daily CyberSecurity.

Discover why GitHub blocks Outlook and Hotmail for new account registrations. Learn about the persistent fraud and abuse driving this Microsoft email ban.

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The post GitHub Blocks New Outlook and Hotmail Sign-Ups appeared first on Daily CyberSecurity.

IsThisSpam helps you check suspicious emails, texts, links, and websites before you click or respond.

The post This $30 Tool Helps You Spot Scams Before You Click appeared first on TechRepublic.

Amazon’s less-detailed order emails protect purchase data but may make phishing harder to spot. Learn how to verify order messages safely online.

The post Amazon’s Order Email Privacy Change Creates a Potential Phishing Trade-Off appeared first on TechRepublic.

Apple patched a Hide My Email flaw that could expose real inbox addresses, after a researcher reportedly flagged the issue more than a year earlier.

The post Apple Fixes Hide My Email Bug After Yearlong Delay appeared first on TechRepublic.

Apple faces a proposed class action alleging a Hide My Email flaw could expose users’ real addresses despite the company’s privacy claims.

The post Apple Sued Over Hide My Email Privacy Claims appeared first on TechRepublic.

A fake recruitment phishing campaign impersonates major brands and uses trusted HR platforms to steal Google account credentials.

The post Fake Job Offers Impersonate Netflix, OpenAI, and FIFA to Steal Google Credentials appeared first on TechRepublic.

Originally published at DKIM2 Explained: What’s Changing and What to Do by Hagop K..

Our team was at a deliverability summit where ...

The post DKIM2 Explained: What’s Changing and What to Do appeared first on EasyDMARC.

The post DKIM2 Explained: What’s Changing and What to Do appeared first on Security Boulevard.

I skipped last week's roundup. Holiday weekend, family stuff, the usual. So this is a two-week-ish view of what we've published in the Threat Intelligence series since Edition 03 dropped on April 13.

The post Best of the Worst: Five Attacks That Looked Broken (and Worked) appeared first on Security Boulevard.

Originally published at How to Tell if An Email is Fake: Complete Verification Guide by Levon Vardumyan.

A fake email is an email that appears ...

The post How to Tell if An Email is Fake: Complete Verification Guide appeared first on EasyDMARC.

The post How to Tell if An Email is Fake: Complete Verification Guide appeared first on Security Boulevard.

Is MXToolbox worth it in 2026? Discover its features, limitations, user reviews, and how it compares to PowerDMARC for email security.

The post MXtoolbox Review: Features, User Experiences, Pros & Cons (2026) appeared first on Security Boulevard.

Is your sales team accidentally looking like phishers? Learn 5 proven ways to secure sales outreach emails and start landing in inboxes.

The post Sales Outreach Security: 5 Ways to Stop Your Sales Team from Looking Like Phishers appeared first on Security Boulevard.

Find out why Gmail is filtering your emails, what triggers its spam filters, and how to fix it — including authentication, sender reputation, and content issues.

The post Is Gmail Filtering Your Emails? Causes, Signs & Fixes appeared first on Security Boulevard.