A botnet exploited vulnerabilities in SPF DNS record configurations, compromising 13,000 MikroTik devices and spoofing around 20,000 web domains to spread malware. The result was a widespread spoofing attack carrying malware-laden attachments. It is recommended to avoid permissive SPF configurations, regularly check DNS records, and use Hosted SPF services with Macros in order to prevent such attacks.

Locked in heated rivalry with researcher, Microsoft fixes 0-day they disclosed
Microsoft on Tuesday released a fix for a high-severity zero-day that was disclosed by a researcher who has been locked in a testy beef with


