Cybercriminals often send spoofed emails by forging the email address of some legitimate authority or someone well-known to us. They often do this for phishing or spreading malware. SPF or Sender PolicyFramework, DKIM or DomainKeys Identified Mail, and DMARC or...
Passwords are indispensable today. And making passwords strong is an absolute necessity. Sensitive data of various user accounts are at risk. Cybercrimes are increasing like never before. Though we cannot stop cyber crimes beyond a certain limit, we can protect...
DNS hijacking is one of the most common recent threats, in which attackers subvert the resolution of Domain Name System or DNS queries and redirect a victim's machine to malicious websites for nefarious activities. Attackers can perpetrate DNS hijacking while...
Electronic mail is indispensable nowadays. We can hardly imagine a single day without accessing our emails. Lots of sensitive information is exchanged using these emails. However, the transport of emails is not safe from attackers. There are a number of ways in which...
How does a spam filter work? Nowadays, almost all email service providers can automatically detect spam emails in user accounts effectively and redirect those potential spam emails to spam folders without human intervention. But how are spam emails detected...
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