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Today, email security requires sophisticated approaches. Email security is no longer as simple as filtering for known malware and blacklisting spam relays. Criminals are now releasing malware variants every three hours and with higher payouts from crime, they can afford to keep buying and burning clean IP addresses to send out phishing scams.
With executive phishing netting millions of dollars, smart criminals can afford to invest more individual attention and money as well as keep persisting to get their attacks through.
For example, in a campaign boasted on the dark web, a criminal managed to convince a CFO to transfer a large sum of money to the criminals account. It took some work from researching the CEO and CFO, reconstructing newsletters, to adding new rules in the CEOs mailbox and finally sending emails containing a hidden string in white text to the CFO to make an urgent money transfer.
To cope with modern threats, an email security solution must:
Exceptional solutions should:
Your organisation can no longer afford an email security gateway that only blocks nuisances; it needs to block highly motivated, skilled and funded criminals.