03 Oct, 2026

Microsoft: Exchange Online bug mistakenly quarantines user emails

Microsoft is investigating an Exchange Online bug causing anti-spam systems to mistakenly quarantine some users’ emails. According to a new incident report added to the Microsoft 365 Admin Center, the email issues started almost five hours ago, at 10:11 UTC.  While the company has yet to share what regions are impacted, this Exchange Online incident has been tagged as a critical […]

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Over 3 million mail servers without encryption exposed to sniffing attacks

Over three million POP3 and IMAP mail servers without TLS encryption are currently exposed on the Internet and vulnerable to network sniffing attacks. IMAP and POP3 are two methods for accessing email on mail servers. IMAP is recommended for checking emails from multiple devices, such as phones and laptops because it keeps your messages on […]

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