FEATURE: EMAIL SECURITY
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HARD TO MISS SOME TRENDS.
SINCE THE CORONAVIRUS OUTB
WE HAVE SEEN THE NUMBER OF
DOMAINS REGISTERED RELATED
COVID-19 INCREASE BY 130,000.
decades. Now with automation, they’re
doing it faster than ever before.
Here’s why it works.
Traditional security tools work by analysing
emails in isolation, measuring them against
static blacklists of ‘known bads’. By way of
analogy, the gateway tool here is acting like a
security guard standing at the perimeter of an
organisation’s physical premises, asking every
individual who enters: ‘Are you malicious?’
The binary answer to this sole question is
extracted by looking at some metadata
around the email, including the sender’s
IP, their email address d
embedded links or attac
analyse this data in a va
value, with no considera
relationship between th
and the rest of the busin
reputation checks, askin
or domain before?’ Cruc
no, they let them straigh
To spell that out, if the d
it won’t have a reputatio
traditional tools have a l
identify potential harmf
other means, they have
them in by default.
36 INTELLIGENTCIO