Over the past two weeks, we detected (and blocked) a new SharePoint scam phishing attack that affected about 10% of Avanan's Office 365 customers. We estimate this p...
Over the past two weeks, we detected (and blocked) a new SharePoint scam phishing attack that affected about 10% of Avanan's Office 365 customers. We estimate this p...
Emails with fake invoices has been one of the most popular attack vectors against Office 365 email users for the past several years. The malicious emails are disguis...
For several weeks, we detected (and blocked) an attack targeting one of the largest municipalities in the U.S. that bypassed Office 365 default security, using a sim...
Recently, we have been seeing a number of phishing attacks using a simple strategy to get their blatant email spoofs past Microsoft's phishing scans. The font manipu...
Update: Microsoft has repaired this vulnerability on 5/16/18, two weeks after we first reported it to them. We recently uncovered what may be the largest security fl...
We started tracking a new method hackers use to bypass Gmail's SPF check for spear-phishing. The hackers send from an external server, the user receives the email fr...
Avanan has been catching multiple attacks against its customers using a new phishing method called Mailsploit. We have observed this attack on both Office 365 and Gm...
Avanan’s security analysts recently tracked an increased number of attacks against cloud-based HR systems such as ADP, Workday, Zenefits and Justworks, to compromise...
The Basics of the Nickname Email Spoof Attack We have trained our users to distrust a sender's nickname and validate an identity by looking at the original email add...
This targeted phishing attack against Office 365 Outlook customers impersonates Excel Online in an HTML attachment in order to trick users into entering their creden...
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