Avanan Attack Briefs


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Attack Report: Unicode-Based Phishing

This is a large scale phishing attack against Office 365 that we have been seeing across the majority of our Office 365 customers. The attack takes advantage of Offi...

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Attack Report: The Long-term Phish

“One question was what exactly were the hackers after? They had compromised at least one account, yet they still weren’t done. What was next? But the big question wa...

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5 Phishing Attacks Office 365 and Gmail Didn't Detect in July

In the past 30 days, the Avanan platform has detected and blocked thousands of unique phishing attacks against our customers. The most interesting are those that byp...

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Attack Report: How Google Drive Propagates Malware

This attack report covers a phishing attack against Gmail and Google Drive customers that leverages both services and exploits a blind spot in the G Suite service.

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Jaff: New Ransomware Attack Blasting 5 Million Emails Per Hour

WannaCry infected over 200,000 computers in 150 countries. The large-scale ransomware attack infected a large number of global companies such as FedEx, LATAM airline...

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Attack Report: API-based Phishing Attack in Gmail

This attack report covers a very sophisticated phishing scheme that came in the form of an invitation to open a Google Doc.

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Attack Report: Google Redirect

Avanan recently received this email from the CISO of DEFENSCON, a think tank that works with some of the most sensitive government organizations and private defense ...

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Avanan: New Puny-Phishing Attack on Office 365 Email Users

Hackers Attack a Vulnerability in Office 365 Handling of Punycode Avanan’s cloud security researchers uncovered a new attack method against Office 365 business email...

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Widespread Attack on Office 365 Corporate Users with Zero-day Ransomware Virus

Click here if you are looking for information about the WannaCry Ransomware Attack Millions of Office 365 business users likely effected.

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