Attack Report: Excel Phishing Attack that Bypasses Office 365

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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Attack Report: Office 365 Security Hacked Using Google Redirect

A new widespread phishing attack against Office 365 email customers uses Google's App-Engine website to redirect victims to download malicious files. Avanan security...

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Attack Report: Office 365 Security Bypassed Using Hexadecimal Escape Characters

In several past blogs, we described how hackers bypass Office 365 Security with Punycode encoding, and then Unicode characters. In this attack report we discuss an a...

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Attack Report: Office 365 Sharepoint from China

This attack report covers a massive attack on Office 365 users that leverages the trust Office 365 puts in its own links. 

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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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Gmail Phishing Attack: How to Identify a Phishing Email in Gmail

Gmail Phishing is the most popular way for attackers to gain access to your Google Cloud. It can be difficult to keep up with all the methods for detecting phishing ...

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What's Wrong with CASBs?

CASB vendors have been around for the past 5-7 years, VCs have invested over $500M into these companies and Gartner has been promoting them with very bullish growth ...

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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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NHS Hit by International Ransomware Attack

May 12th, 2017 The NHS has been hit by a ransomware attack today, affecting at least 16 of their trusts in the UK according to The Guardian. This is a widespread att...

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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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SaaS Email Security: 7 Reasons not to use an MTA Gateway

Don't change your email security. Change the way it is connected. With the massive adoption of Office 365 and G-Suite for corporate email, companies hoping to implem...

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Zero-Trust Security: When Your Employees are the Source of the Attack

During our analysis of an advanced phishing attack last week, I was reminded why it is so important to scan every email—inbound, outbound and internal. 

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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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“CyberSecurity: Ignorance is not an Excuse,” an RSA Live Panel

I participated on a live panel this week at RSA with Jeremiah Grossman, CSO of Sentinel One; Ian Glazer, Chairman, ID Professionals Working Group, Kantara Initiative...

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The Legal Considerations of Moving Data to the Cloud.

January 28th is Data Privacy Day. To commemorate, we are holding an online panel discussion with Chantal Bernier and Todd Daubert of Dentons, the world’s largest law...

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"Auld Lang Syne" for Avanan and OPSWAT

Auld Lang Syne for Avanan and OPSWAT Should auld acquaintance be forgot,

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