COVID-19 Threat Update #1

Varonis sees the highest number of VPN and O365 events ever recorded across customer base. Click to watch our security experts discuss what they’re seeing on the front lines, and what...
1 min read
Last updated November 18, 2025

Varonis sees the highest number of VPN and O365 events ever recorded across customer base.

Click to watch our security experts discuss what they’re seeing on the front lines, and what folks can do.

Video Thumbnail
2:43

 

What does this mean for security?  

Organizations are scrambling to get newly home-bound employees up and running.  

We’vgot anxious employees working from vulnerable home networks, and many organizations don’t have as much visibility into their remote connections and data as they’ll need. With the expanded attack surface, responding to incidents isn’t getting any easier.  

Corporate laptops are in short supply, so organizations are making do with home systems. That’s like fighting in the dark – older or unpatched operating systems and browsers that may not be compatible with endpoint solutions.  

We’re already seeing malicious COVID-19 links sent via email or social that lead to ransomware or browser-only attacks that threaten 365 environments. Here’s an example of a phishing attack that came in this week: 

It’s poorly worded, but still very effective. User clicks; account or browser hijacked.  

If you’d like help understanding what you’re seeing or not seeing, please click here to contact us.

What should I do now?

Below are three ways you can continue your journey to reduce data risk at your company:

1

Schedule a demo with us to see Varonis in action. We'll personalize the session to your org's data security needs and answer any questions.

2

See a sample of our Data Risk Assessment and learn the risks that could be lingering in your environment. Varonis' DRA is completely free and offers a clear path to automated remediation.

3

Follow us on LinkedIn, YouTube, and X (Twitter) for bite-sized insights on all things data security, including DSPM, threat detection, AI security, and more.

Try Varonis free.

Get a detailed data risk report based on your company’s data.
Deploys in minutes.

Keep reading

Varonis tackles hundreds of use cases, making it the ultimate platform to stop data breaches and ensure compliance.

3-takeaways-from-forrester’s-2026-data-security-platforms-landscape-report
3 Takeaways from Forrester’s 2026 Data Security Platforms Landscape Report
Forrester's 2026 research into the landscape of data security platforms shows how agentic AI is expanding what DSPs are for.
cosnitch:-when-your-ai-assistant-becomes-its-own-whistleblower
CoSnitch: When Your AI Assistant Becomes Its Own Whistleblower
See how meta-hacking got Microsoft Copilot to snitch on itself, exposing CoSnitch, a one-click flaw that silently exfiltrates data.
ws-trust-autologon-endpoint:-password-spray-without-smart-lockout-blocking
WS-Trust Autologon Endpoint: Password Spray Without Smart Lockout Blocking
Learn how to mitigate risks tied to a legacy Entra ID endpoint that undermines Smart Lockout, allowing attackers to confirm valid passwords even on MFA-protected accounts.
varonis-atlas-now-integrates-with-claude-inference-hooks-to-extend-real-time-ai-data-protection
Varonis Atlas Now Integrates with Claude Inference Hooks to Extend Real-Time AI Data Protection
Varonis Atlas enforces data protection policy inline before a prompt ever reaches the model and extends coverage to Claude Chat and Claude Design.