Axios Abuse and Salty 2FA Kits Fuel Advanced Microsoft 365 Phishing Attacks

Threat actors are abusing HTTP client tools like Axios in conjunction with Microsoft's Direct Send feature to form a "highly efficient attack pipeline" in recent phishing campaigns, according to new findings from ReliaQuest. "Axios user agent activity surged 241% from June to August 2025, dwarfing the 85% growth of all other flagged user agents combined," the cybersecurity company said in a