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FSF sysadmins share how they block botnets and DDoS attacks using the reaction tool, an alternative to fail2ban that works with ipset to handle large volumes of malicious IP addresses.
A Python DDoS script with 57 attack methods shared on GitHub.
Canadian authorities arrested Jacob Butler, aka Dort, for operating the Kimwolf DDoS botnet that enslaved millions of IoT devices; he faces charges in both the U.S. and Canada.
KrebsOnSecurity reports that a Brazilian anti-DDoS firm, Huge Networks, was compromised and its infrastructure used to launch massive DDoS attacks against other Brazilian ISPs via a botnet of insecure routers and DNS servers.
U.S., Canadian, and German authorities have dismantled four IoT botnets—Aisuru, Kimwolf, JackSkid, and Mossad—that compromised over three million devices and launched record-breaking DDoS attacks, including against the Department of Defense.