Avanan Blog Blog (66)


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Is Slack Secure? Slack Security Concerns Explained

Slack is now the most popular and fastest-growing instant messaging system for business, with 100% ARR growth and more than 70% market share. For many organizations,...

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Root Domain Hack Impacts 70% of Email Gateway Customers

Hackers are bypassing email security gateways and sending phishing emails directly to Google and Office 365 root domains. If you’re using a gateway, and your mail fl...

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The NoRelationship Attack Bypasses Office 365 Email Attachment Security

Avanan identified a new phishing attack that bypasses EOP (Exchange Online Protection) URL filters, which scan Office documents like Word (.docx), Excel (.xlsx), and...

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Z-WASP Vulnerability Used to Phish Office 365 and ATP

Executive Summary: The name Z-WASP references the zero-width space (‌) that hackers added to the middle of a malicious URL within the RAW HTML of the email. With all...

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ATP Anti-Phishing Compared to Avanan

Microsoft Advanced Threat Protection (ATP) serves a real need when it comes to fortifying the basic anti-phishing, anti-virus, and anti-malware that make up EOP, whi...

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How to Stop Reply-All Email Chain Storms

UPDATE: May 12, 2020 Microsoft made news earlier this week by announcing that they are rolling out a feature that can block reply-all email storms. Just a friendly r...

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What is a Compromised Account? 5 Signs You’re at Risk

As an administrator, how can you standardize healthy account management at your organization and reduce the risk of account compromise? What configurations and setti...

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How to Find and Quarantine Emails from Compromised Accounts in Office 365

When you first deploy Avanan, you can conveniently identify and quarantine malicious content that was lurking in any mailbox at your organization. When an Office 365...

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How to Create a Policy to Quarantine Phishing and Malware Emails in Office 365

Learn how to create a policy that quarantines phishing and malware emails before they hit your users' Office 365 inboxes. This goes beyond just the emails that Micro...

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Why Does Link Scanning Miss so Many Phishing Attacks?

Link scanning is a security feature that identifies the safety of a link attached in an email. This protects users in the event that hackers would install malware or...

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