Avanan Blog Attack Briefs (20)


Help Is Not On the Way: Phishing Masquerading as COVID Relief

SEGs that rely on allow or blocklists are playing an ever-increasing catchup game when it comes to catching phishing emails. This phishing campaign shows us the resu...

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Dat's Bad Attack: Hackers Using .dat Files to Bypass SEGs

A .dat file is a generic file that is used in various applications. What's unique about them is that they can only be used by the application that created them. For ...

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The Synonym Attack: Using Similar Words to Get By Scanners

Because of the rise of invoice related phishing emails, many security vendors have resorted to treating emails with the word “invoice” in the subject/body/attachment...

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Dropping In: Attackers Leverage Dropbox to Get to Inboxes

Attackers are sharing files with suspicious names to users through Dropbox. Because Dropbox is a reputable service, most email security vendors will allow these file...

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Subscribe Now: A Subscription to Phishing

The software industry is built on subscriptions. You pay for a year, or more, and then when the time comes, you can choose to renew (or not).

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File-Sharing Services Continue to Be Ripe for Impersonation

Scammers continually utilize and spoof file-sharing services to launch attacks. We've seen this recently with the We Shouldn't Transfer Attack, the Flipping Out Atta...

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Winner Pays: Lotto Scam Reaches End-Users

We all dream of the day that the lotto card finally breaks our way and we can make our way to financial glory.

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Flex On 'Em: Leveraging Legitimate Sites to Launch Attacks

Many email security vendors are now heavily relying on sender domain reputation as an indicator of phishing. Avanan's research has found that 43.35% of all phishing ...

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Decode This: Another Obfuscated File Getting Past Scanners

A email comes that says it has remittance advice.

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Please Confirm: Payment Notice Gone Awry

Payment confirmations are essential in business. You need to know a payment has been processed.

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