Brian Schirmacher

Offensive Security Manager

Security expert

Brian Schirmacher is Offensive Security Manager at ExpressVPN. He leads ExpressVPN’s internal security efforts to deliver comprehensive threat modeling, design review, and penetration testing of our apps and services, and works closely with independent auditors to verify our security.

Latest security expert news

WhatsApp scams: How to protect yourself

Learn how to identify scams, avoid falling victim, and report suspicious activity.

Can the government see my online activity?

Privacy tools can help you keep your online activity to yourself. But can they evade governments?

Is Telegram safe? How to use it securely

We share the security pros and cons of the popular messaging app plus tips for using it safely.

Read more by Brian

Vertical toggle buttons.

Security and vulnerability responses

Industry news

Read More

"Audits by esteemed cybersecurity firms such as Cure53 are one of our many trust and transparency initiatives. We want to continue setting the bar high for the industry."

Brian's recent coverage

october 10, 2023 - bugcrowd

ExpressVPN Uses Crowdsourced Security to Continuously Improve its Security Posture

How ExpressVPN uses Bugcrowd to continuously review its products and services and provide the most secure user experience possible.

december 17, 2022 - techradar

ExpressVPN just proved the security of its software with new audits

Cure53 confirmed the security of both iOS and Android apps

march 14, 2024 - techrepublic

ExpressVPN Underwent Independent Audits of Its iOS and Android Apps

Cure53’s audits also included investigations into ExpressVPN’s integrated password manager for its mobile apps, ExpressVPN Keys, along with its VPN protocol integration and dependencies.

november 10,2022 - techradar

ExpressVPN aces three independent security audits

Two separate security firms confirm ExpressVPN as a safe choice

Brian's top picks

Threat manager

ExpressVPN’s Threat Manager feature restricts your data from being shared with third-party companies on our blocklist.

Keys

ExpressVPN Keys helps you manage unlimited passwords, credit card details, and notes securely on any device.

iOS VPN

The ExpressVPN iOS app hides your IP address, protects your data, and unblocks sites and apps.

Ask an expert

Have an online privacy, cybersecurity, or everyday technology question? Email your query to techfriend@expressvpn.com. Your question might be featured and answered in our TechFriend column by one of our tech experts.

Learn More

Meet our other experts

Cherlynn Cha

Security Operations Center Manager

Andre Lo, P.Eng.

Software Engineering Manager

Emily Belton

Privacy Advocate, Head of Corporate Communications

All Experts