The Spam and Open Relay Blocking System (SORBS), a long-time source of information on known sources of spam, widely used to create blocklists, has been shut down by its owner, cyber security software vendor Proofpoint. SORBS provided free access to a DNS-based Block List (DNSBL) that lists over 12 million host servers known to disseminate spam, phishing attacks and other email nasties. The service states its list "typically includes email servers suspected of sending or relaying spam, servers
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Traditional password-only authentication systems have proven to be vulnerable to a wide range of cyberattacks. To safeguard critical business resources, organizations are increasingly turning to multi-factor authentication (MFA) as a more robust security measure. MFA requires users to provide multiple authentication factors to verify their identity, providing an additional layer of protection against unauthorized access. Cybercriminals are constantly investigating ways to bypass MFA systems. O