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#Spoofing

  • June 9, 2026

    Inside the Direct Send Exploit: Attackers Are Using Microsoft 365 to Impersonate Your Own Employees

    A phishing campaign uncovered by Varonis Threat Labs targeted more than 70 organizations – predominantly in the United States – by exploiting a legitimate Microsoft 365 feature in a way most security teams …

  • June 5, 2026

    A Crafted Email Is All It Takes: CVE-2026-42897 Puts Exchange OWA Under Active Attack

    On May 14, 2026, Microsoft disclosed CVE-2026-42897, a spoofing vulnerability in on-premises Exchange Server affecting Outlook Web Access. Within 24 hours, CISA added it to the Known Exploited Vulnerabilities catalog. …

  • June 3, 2026

    One in Three University Domains Enforces DMARC. The Other Two-Thirds Are Wide Open.

    Data from Valimail’s 2026 State of DMARC Report establishes higher education as the worst-performing sector for DMARC enforcement of any industry category measured. Universities, colleges, and schools sit at just …

  • June 2, 2026

    One in Three FIFA World Cup 2026 Partners Leaves Fans Exposed to Email Fraud

    Nine days before the FIFA World Cup 2026 kicks off across the United States, Canada, and Mexico, a Proofpoint analysis has found that more than one-third of the tournament’s official partners do not have the email …

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