Secure Office 365 With Proofpoint

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Email Security Phishing DLP Email Fraud Prime Threat Protection

Platform

Cybersecurity for the agentic workspace starts with Proofpoint’s human and agent-centric security platform.

Collaboration Security

Defend humans and agents against modern cyber threats across email and collaboration channels.

Data Security and Governance

Protect the data that powers human and AI collaboration.

AI Security

Secure the use of AI by people and AI Agents

Platform Technologies

Leverage Proofpoint’s market-leading technologies powering cybersecurity for people, data and AI.

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Join a live Protect event—learn how to protect people, data, and AI

Live Events

Collaboration Security

Stop cyberthreats with AI-driven multichannel protection.

Discover Collaboration Security Prime

Core Email Protection

Activate industry-leading threat protection delivered via API or Gateway.

Email Fraud Defense

Protect your brand reputation, increase deliverability and identify domain lookalikes.

ZenGuide

Turn your workforce into your first line of defense with targeted, behavior-changing security awareness training.

Secure Email Relay

Secure your application email and accelerate DMARC implementation.

Account Takeover Protection

Detect, investigate, and respond to account takeovers.

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Featured

Experience Core Email Protection in action—block 99.99% of email threats

Interactive Demo

Data Security and Governance

Transform data security with a unified, omnichannel approach.

See why Proofpoint is a leader

Enterprise DLP

Transform DLP with a modern platform that prevents data loss across email, cloud, and endpoints.

Adaptive Email DLP

Prevent misdirected emails and hidden exfiltration of sensitive data.

Insider Threat Management

Get visibility into risky behavior by careless, malicious and compromised users.

Data Security Posture Management

Discover, classify and protect sensitive data across cloud and hybrid environments.

Digital Communications Governance

Capture, retain and discover digital communications intelligently to ensure compliance.

AI Data Governance

Stop data leaks to shadow AI and securely adopt enterprise AI tools.

All Products

Featured

Understand the top data security risks organizations face — and how to stay ahead

Research Report

AI Security

Unify AI security across people, agents, and MCP

Secure every layer of your AI

Secure AI Usage by People

Get visibility into and apply controls around the use of AI by employees

Secure AI Usage by Agents

Understand intent of AI Agents and control how they use other AI tools

Secure MCP Across Your Enterprise

Unify MCP discovery, authorization, and monitoring to secure AI connectivity at scale.

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AI at Proofpoint

Platform Technologies

Proofpoint technologies powering human and agent-centric security.

Discover the security risks

Proofpoint Nexus

Advanced AI and threat intelligence to detect threats and assess data risk.

Proofpoint Zen

Integrated control points to protect people and data, wherever work happens.

Proofpoint Satori

The power behind agentic security operations.

AI at Proofpoint

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Services

Optimize Proofpoint solutions with expert services.

Advisory Services

Give your team access to expert guidance while they manage daily operations of your Proofpoint platform.

Applied Services

Gain a hightouch strategic partnership with a team of Proofpoint specialists who optimize your security and monitoring.

Featured

"The partnership with Proofpoint, it's an extention of our team." –Celesta Capital

Customer Story

Use Case

Comprehensive solutions for today’s cybersecurity threats.

Ensure Acceptable GenAI Use

Empower your workforce with safe GenAI practices.

Secure Microsoft365

Implement the best security and compliance solution for Microsoft 365.

Prevent Loss from Ransomware

Stop attacks by securing ransomware's top vector.

Combat Email and Cloud Threats

Protect your people from email and cloud threats with an intelligent and holistic approach.

Protect Cloud Apps

Keep your people and their cloud apps secure by eliminating threats and data loss.

Change User Behavior

Help your employees identify, resist and report attacks before the damage is done.

Modernize Compliance and Archiving

Manage risk and data retention needs with a modern solution.

Authenticate Your Email

Protect your email deliverability with DMARC.

Featured

Learn about new AI risks—and how to build a secure foundation for enterprise adoption

White Paper

Industry

Superior protection for every industry, from small business to large enterprise.

Federal Government

Enable your agency with cybersecurity built for federal government environments.

Higher Education

Protect your campus, people, data, and research with advanced security.

Healthcare

Safeguard your clinicians, patient data, and intellectual property from advanced threats.

Internet Service Providers

Deliver secure, high-performance email protection for your networks and customers with Cloudmark.

State and Local Government

Secure your institutions, services, and communities against cyber threats.

Financial Services

Protect your institution while meeting regulatory and compliance requirements.

Mobile Operators

Secure your messaging environments and protect subscribers at scale.

Small and Medium Businesses

Strengthen your business with enterprise-grade security built to grow with you.

Featured

Discover the security risks healthcare organizations can't afford to ignore

Threat Report

Why Proofpoint

More than 80 of the Fortune 100 choose Proofpoint to protect their people, data, and AI.

Why Proofpoint

Customer Stories

Learn how organizations use Proofpoint to strengthen their cybersecurity, protect their data, and reduce risk.

Awards

See how our innovation and leadership have been recognized across the industry by leading analysts and publications.

Threat Insight Blog

Stay up to date on emerging cyber threats with insights from our industry-leading threat research team.

Comparing Proofpoint

Evaluating cybersecurity vendors? Check out our side-by-side comparison of Proofpoint vs. competitors.

Evaluating security vendors? Compare us by checking out side-by-side comparisons.

Comparison Overview

Proofpoint vs. Abnormal Security

Proofpoint vs. Mimecast

Proofpoint vs. Check Point Harmony

Proofpoint vs. Cisco

Proofpoint vs. Symantec

Proofpoint vs. Microsoft Purview

Proofpoint vs. Legacy DLP

Proofpoint vs. SSE Vendors

Proofpoint vs. DSPM Vendors

Resources

Research, insights and resources from Proofpoint experts.

Resource Library

Blog

Keep up with the latest news and happenings from our industry leading experts.

Cybersecurity Academy

Earn your certification to become a Proofpoint Certified Guardian.

Events

Connect with peers in person and learn from the experts.

Webinars

Browse our webinar library to learn about the latest threats and issues in cybersecurity.

Podcasts

Listen to expert conversations and insights on cybersecurity trends, threats and best practices.

Customer Stories

Read how our customers solve their most pressing cybersecurity challenges

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New Agents, New Attacks: Securing Collaboration in the Agentic Era

Live Webinar Series—Register Now

Threat Intelligence

Learn from our expert threat intelligence and insights that you won’t find anywhere else.

Threat Glossary

Learn about the latest security threats and techniques.

Podcasts

Stay informed with our renowned threat researchers.

Power Series

Join our virtual event series on the industry's most pressing topics.

Threat Insight Blog

Gain insight through actionable threat intelligence and expert analysis.

Featured

Proofpoint DISCARDED Tales from the threat research trenches

Podcast

Company

Learn more about the team driving human and agent-centric security.

About Proofpoint

Leadership

Learn about the executive team leading Proofpoint’s strategy and vision.

News Center

Read the latest press releases, news stories and media highlights about Proofpoint.

AI, Privacy and Trust

Learn about how we handle data and make commitments to privacy and other regulations.

ESG

Learn how we apply our environmental, social, and governance principles to positively impact our community.

Careers

Stand out and make a difference at one of the world's leading cybersecurity companies.

Ready to join a company redefining cybersecurity?

Join our Team

Resources

Secure Office 365 With Proofpoint

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Learn how Proofpoint can help provide superior security for your Microsoft Office 365 environment.

You May Also Like:

Cybersecurity for the agentic workspace starts with Proofpoint’s human and agent-centric security platform.

Join a live Protect event—learn how to protect people, data, and AI

Stop cyberthreats with AI-driven multichannel protection.

Experience Core Email Protection in action—block 99.99% of email threats

Transform data security with a unified, omnichannel approach.

Understand the top data security risks organizations face — and how to stay ahead

Unify AI security across people, agents, and MCP

AI at Proofpoint

Proofpoint technologies powering human and agent-centric security.

AI at Proofpoint

Optimize Proofpoint solutions with expert services.

"The partnership with Proofpoint, it's an extention of our team." –Celesta Capital

Comprehensive solutions for today’s cybersecurity threats.

Learn about new AI risks—and how to build a secure foundation for enterprise adoption

Superior protection for every industry, from small business to large enterprise.

Discover the security risks healthcare organizations can't afford to ignore

More than 80 of the Fortune 100 choose Proofpoint to protect their people, data, and AI.

Evaluating security vendors? Compare us by checking out side-by-side comparisons.

Research, insights and resources from Proofpoint experts.

New Agents, New Attacks: Securing Collaboration in the Agentic Era

Learn from our expert threat intelligence and insights that you won’t find anywhere else.

Proofpoint DISCARDED Tales from the threat research trenches

Learn more about the team driving human and agent-centric security.

Ready to join a company redefining cybersecurity?

Secure Office 365 With Proofpoint

Turn people into your best defense with Proofpoint