Outlook Users Beware: Microsoft’s Anti-Phishing Tools Easily Exploited, Study Reveals
Outlook users beware: Certitude researchers reveal that Microsoft’s anti-phishing tools can be easily bypassed, putting you at risk of malicious emails.

Hot Take:
Microsoft Outlook’s anti-phishing tools: as effective as a chocolate teapot. Certitude researchers have found more holes in it than Swiss cheese, making it a phisher’s paradise. Outlook users, proceed with caution and maybe invest in some extra-strength coffee for those late-night email audits.
Key Points:
- Certitude researchers exposed vulnerabilities in Microsoft Outlook’s anti-phishing tools.
- The “First Contact Safety Tip” feature can be easily manipulated using CSS.
- HTML rules can hide the safety alert and make phishing emails appear legitimate.
- Microsoft acknowledged the flaw but isn’t rushing to fix it, citing its limited impact.
- Users are advised to be extra cautious when opening emails from unfamiliar sources.
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