CyberheistNews Vol 16 #34 Microsoft Observed 7.6 Billion Phishing Emails in Q2 2026
KnowBe4, Tuesday, August 25th, 2026
KnowBe4's newsletter leads with Microsoft detecting roughly 7.6 billion phishing emails in Q2 2026.
This edition of KnowBe4's CyberheistNews leads with Microsoft research warning that phishing email remains the top initial access vector. Microsoft detected approximately 7.6 billion phishing emails during the second quarter of 2026, more than two billion phishing threats each month across the quarter.
The volume illustrates that despite years of filtering improvements, attackers continue to find email economically worthwhile at enormous scale. The newsletter collects this alongside the week's other security research and industry news for KnowBe4's audience.