Don’t like Mondays? Neither do attackers

Monday may be our least favorite day of the week, but Thursday is when security professionals should watch out for cybercriminals, researchers say.

Timing is everything. Attackers pay as close attention to when they send out their booby-trapped emails as they do in crafting how these emails look. Malicious email attachment message volumes spike more than 38 percent on Thursdays over the average weekday volume, Proofpoint said in its Human Factor Report, which analyzed malicious email traffic in 2016. Wednesdays were the second highest days for malicious emails, followed by Mondays, Tuesdays and Fridays. Weekends tend to be low-volume days for email-borne threats, but that doesn’t mean there aren’t any.

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