All of Henry’s emails that are more than 30 days old get moved to an offline archive now. Unveillance’s Hijazi: “If you can afford to simply delete your email once you have finished reading it or taking it offline, that would be another form of securing yourself” Law firms need to keep emails for only 90 days, Hijaz says, but that’s what Lumension did for a client client. “I’d rather not have a year or more’s worth of email online,” he says.”]
Source: https://www.darkreading.com/attacks-breaches/five-steps-to-help-repel-the-lulz-