Author Archives: Alex Cannon

What is the purpose of enforcing the existance Sender Policy Framework (SPF) on all inbound emails?

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I understand what SPF does. Since email sending is entirely separate from receiving, there is no automatic way to ensure that the From address on a received email is correct. SFP ensures that the From address in an email is correct by doin… Continue reading What is the purpose of enforcing the existance Sender Policy Framework (SPF) on all inbound emails?→

Examples of non signature based anti-malware/anti-virus programs, IDS, & system integrity scanners

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All traditional anti-virus software uses signatures to detect known malware after it has been discovered by the software companies and added to the definitions. Heuristic definitions allow a piece malware that has been modified to still be… Continue reading Examples of non signature based anti-malware/anti-virus programs, IDS, & system integrity scanners→