Tag: email
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Threat actors weaponize OAuth redirection logic to deliver malware
An ongoing phishing campaign is abusing the OAuth authentication redirection mechanism to avoid triggering conventional email and browser defenses, Microsoft researchers have … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/03/03/attackers-abusing-oauth-redirection-phishing-malware/
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Threat actors weaponize OAuth redirection logic to deliver malware
An ongoing phishing campaign is abusing the OAuth authentication redirection mechanism to avoid triggering conventional email and browser defenses, Microsoft researchers have … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/03/03/attackers-abusing-oauth-redirection-phishing-malware/
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Phishing campaign exploits OAuth redirection to bypass defenses
Microsoft researchers warn that threat actors abuse OAuth redirects to target government users and deliver malware. Microsoft has warned of phishing campaigns targeting government and public-sector organizations by abusing OAuth URL redirection. Instead of stealing credentials or exploiting software flaws, attackers leverage OAuth’s legitimate by-design behavior to bypass email and browser defenses. The tactic redirects…
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OAuth phishers make ‘check where the link points’ advice ineffective
Tags: authentication, automation, awareness, business, cloud, control, edr, email, encryption, endpoint, exploit, governance, identity, login, malicious, microsoft, monitoring, phishing, saas, threat, toolContext, not the URL, is the new red flag: Sakshi Grover, Senior Research Manager at IDC Asia/Pacific, said the longstanding advice to hover over a link and verify its domain was built for an era of lookalike domains and that it no longer holds in environments where authentication flows routinely pass through trusted identity providers.”Organizations…
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Microsoft Warns OAuth Redirect Abuse Delivers Malware to Government Targets
Microsoft on Monday warned of phishing campaigns that employ phishing emails and OAuth URL redirection mechanisms to bypass conventional phishing defenses implemented in email and browsers.The activity, the company said, targets government and public-sector organizations with the end goal of redirecting victims to attacker-controlled infrastructure without stealing their tokens. It described First seen on thehackernews.com…
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Security Affairs newsletter Round 565 by Pierluigi Paganini INTERNATIONAL EDITION
A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. Canadian Tire 2025 data breach impacts 38 million users Iran ‘s Internet near-totally blacked out amid…
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Why EasyDMARC Is the Best Enterprise DMARC Solution
Originally published at Why EasyDMARC Is the Best Enterprise DMARC Solution by EasyDMARC. Enterprise email environments are becoming increasingly complex, with … First seen on securityboulevard.com Jump to article: securityboulevard.com/2026/02/why-easydmarc-is-the-best-enterprise-dmarc-solution/
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Who is the Kimwolf Botmaster “Dort”?
In early January 2026, KrebsOnSecurity revealed how a security researcher disclosed a vulnerability that was used to assemble Kimwolf, the world’s largest and most disruptive botnet. Since then, the person in control of Kimwolf — who goes by the handle “Dort” — has coordinated a barrage of distributed denial-of-service (DDoS), doxing and email flooding attacks…
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How to do Email Analysis ? Complete Guide
Originally published at How to do Email Analysis ? Complete Guide by EasyDMARC. Despite advances in secure email gateways, cyberactors continue … First seen on securityboulevard.com Jump to article: securityboulevard.com/2026/02/how-to-do-email-analysis-complete-guide/
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Strengthening Identity Security: Real-World Credential Attack Detection with Seceon aiSIEM
Executive Overview Identity has become the primary attack surface in modern enterprise environments. Threat actors increasingly bypass traditional malware-based techniques and instead exploit compromised credentials to access cloud platforms, email systems, and business-critical applications. Credential abuse now drives ransomware campaigns, business email compromise, data exfiltration, and lateral movement within hybrid environments. Organizations must therefore detect…
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Third-Party Patching and the Business Footprint We All Share
Everyday tools like PDF readers, email clients, and archive utilities quietly define the real attack surface. Action1 explains how third-party software drift increases exploit risk and why consistent patching reduces exposure across endpoints. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/third-party-patching-and-the-business-footprint-we-all-share/
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Microsoft Defender Enhances Security with URL Click Alerts for Microsoft Teams
Microsoft is expanding its threat detection capabilities by extending Microsoft Defender for Office 365 (MDO) URL click alerting into Microsoft Teams. This critical update allows security teams to detect, investigate, and respond to potentially malicious link clicks within Teams messages, expanding threat monitoring beyond traditional email vectors. By surfacing these alerts, organizations can identify threats…
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Microsoft Copilot DLP Bypass: A Data Trust Wake-Up Call for AI Security
Tags: access, ai, business, ciso, cloud, compliance, control, data, data-breach, detection, email, endpoint, infrastructure, leak, microsoft, monitoring, risk, risk-management, saas, toolWhen Microsoft confirmed that a bug allowed Copilot to surface and summarize emails marked confidential despite existing DLP controls, it reignited urgent questions about Microsoft Copilot security, DLP bypass risk and enterprise AI data protection. The reaction was immediate. For many CISOs and security leaders responsible for Microsoft 365 security and AI risk management, it…
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Entra ID OAuth Consent Can Grant ChatGPT Access to Emails
OAuth consent in Entra ID can grant apps like ChatGPT email access after approval, exposing hidden risks that may bypass MFA and enable persistent access. First seen on hackread.com Jump to article: hackread.com/entra-id-oauth-consent-chatgpt-emails-access/
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Darktrace Flags 32 Million Phishing Emails in 2025 as Identity Attacks Intensify
2025 saw 32M phishing emails, with identity threats surpassing vulnerabilities First seen on infosecurity-magazine.com Jump to article: www.infosecurity-magazine.com/news/32m-phishing-emails-detected-2025/
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Darktrace Flags 32 Million Phishing Emails in 2025 as Identity Attacks Intensify
2025 saw 32M phishing emails, with identity threats surpassing vulnerabilities First seen on infosecurity-magazine.com Jump to article: www.infosecurity-magazine.com/news/32m-phishing-emails-detected-2025/
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11 Proven Ways to Instantly Boost Your Mailchimp Open Rates
You’re here because your Mailchimp emails aren’t getting opened, and it’s costing you. This guide is different. It’s not fluff. It’s not guesswork. It’s a strategic, data-driven playbook to help you fix low open rates fast and keep them high. Every tip here is something you can apply right now inside your Mailchimp account. InRead…
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DarkCloud Infostealer Escalates as Major Enterprise Threat with Scalable Credential Theft
Infostealers continue to dominate the initial access landscape in 2026, driving breaches through scalable credential theft. Among these, DarkCloud has emerged as a major threat, illustrating how low-cost, commercialized malware is reshaping enterprise compromise dynamics worldwide. Despite being promoted as “surveillance software,” its real function is unmistakable highvolume credential harvesting across browsers, email clients, file transfer tools, and…
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Smashing Security podcast #456: How to lose friends and DDoS people
When the mysterious operator of an internet archiving-service decided to silence a curious Finnish blogger, they didn’t just send a stroppy email – they allegedly weaponised their own CAPTCHA page to launch a DDoS attack, threatened to invent an entirely new genre of AI porn, and tampered with parts of their own archive to smear…
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Why ‘Call This Number’ TOAD Emails Beat Gateways
Attackers are bypassing email gateways through telephone-oriented attack delivery (TOAD), in which the only email payload is a phone number. First seen on darkreading.com Jump to article: www.darkreading.com/threat-intelligence/why-call-this-number-toad-emails-beat-gateways
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Querying the free DNSBLs via Oracle? Move to Spamhaus Technology’s free Data Query Service
If you’re using the free DNS Blocklists (DNSBLs) through the Public Mirrors while running on Oracle’s network, you’ll need to make a few small adjustments to your email setup. These changes are simple to apply, but if you don’t take action, you risk having some – or even all – of your email blocked after…
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PowerDMARC vs Valimail: An Objective Comparison Guide
Compare PowerDMARC and Valimail to find the best email authentication solution for your business. Explore features, usability, pricing, and MSP support to choose the right DMARC platform. First seen on securityboulevard.com Jump to article: securityboulevard.com/2026/02/powerdmarc-vs-valimail-an-objective-comparison-guide/
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OAuth Vulnerabilities in Entra ID Could Exploit ChatGPT to Breach User Email Accounts
OAuth consent attacks in Microsoft Entra ID are giving threat actors a stealthy path to cloud email, and even trusted apps like ChatGPT can become a vehicle if permissions are abused. In this hypothetical case, a user in an Entra ID tenant adds the legitimate ChatGPT service principal and grants it Microsoft Graph OAuth permissions,…
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News alert: Sendmarc highlights impact of DMARC update on evolving email security standards
WILMINGTON, Del., Feb. 24, 2026, CyberNewswire, Sendmarc has released a new fireside chat featuring Todd Herr, Principal Solutions Architect at GreenArrow Email and co-editor of DMARCbis, on the upcoming update to DMARC (Domain-based Message Authentication, Reporting, and Conformance). Led… (more”¦) First seen on securityboulevard.com Jump to article: securityboulevard.com/2026/02/news-alert-sendmarc-highlights-impact-of-dmarc-update-on-evolving-email-security-standards/
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Sendmarc Releases DMARCbis Fireside Chat Featuring Co-Editor Todd Herr
Wilmington, North America, February 24th, 2026, CyberNewswire In a recent DMARCbis fireside chat, email authentication leaders discussed upcoming DMARC changes and how teams can plan for 2026. Sendmarc has released a new fireside chat featuring Todd Herr, Principal Solutions Architect at GreenArrow Email and co-editor of DMARCbis, on the upcoming update to DMARC (Domain-based Message…
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Microsoft Copilot Ignored Sensitivity Labels, Processed Confidential Emails
A code bug blew past every security label in the book”¦ and exposed the fatal flaw in how we govern AI. The post Microsoft Copilot Ignored Sensitivity Labels, Processed Confidential Emails appeared first on TechRepublic. First seen on techrepublic.com Jump to article: www.techrepublic.com/article/news-microsoft-copilot-bug-confidential-emails/
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Microsoft says bug in classic Outlook hides the mouse pointer
Microsoft is investigating a known issue that causes the mouse pointer to disappear in the classic Outlook desktop email client for some users. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/microsoft/microsoft-says-bug-in-classic-outlook-hides-the-mouse-pointer/
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How SmugMug Strengthened Email Authentication and Deliverability with EasyDMARC
Originally published at How SmugMug Strengthened Email Authentication and Deliverability with EasyDMARC by Sona Mirzoyan. About the Customer Company: SmugMug Industry: Image Hosting … First seen on securityboulevard.com Jump to article: securityboulevard.com/2026/02/how-smugmug-strengthened-email-authentication-and-deliverability-with-easydmarc/