Hackers will lurk in your email for more than a week after breaking in

guest · Jul 23, 2020

Hackers will lurk in your email for more than a week after breaking in
...for information they can sell to other crooks, or use to mount further attacks
July 23, 2020
https://www.techrepublic.com/articl...email-for-more-than-a-week-after-breaking-in/

A study carried out by Barracuda and UC Berkeley of found that just over a third of hacked corporate email accounts sustained attacks for more than a week, during which time attackers would monitor how the organisation did business so that they could launch subsequent phishing attacks.

However, the researchers also observed that 78% of attackers did not access any other applications outside of email.
It could also point to a more worrying conclusion. According to Barracuda, our reliance on using email to store increasingly large amounts of sensitive information – whether for convenience or otherwise - means that our inboxes could contain much of the valuable information hackers need without them having to look elsewhere.
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It also identified a trend whereby the initial set of attackers would focus on compromising accounts before selling access to other cybercriminals, who would then cash in on the stolen information.

"Cybercriminals are getting stealthier and finding new ways to remain undetected in compromised accounts for long periods of time so they can maximize the ways they can exploit the account, whether that means selling the credentials or using the access themselves," MacLennan said.
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Barracuda: Report: Insights into attacker activity in compromised email accounts

A specialized economy is emerging around email account takeover as cybercriminals find new ways to attack and exploit email accounts, and businesses need to be prepared to defend against these types of attacks.
They share their findings in the new report Spear Phishing: Top Threats and Trends Vol. 4 — Insights into attacker activity in compromised email accounts.
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Hackers will lurk in your email for more than a week after breaking in

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