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Exchange Online Protection (EOP)

Product

The baseline filtering service included with every Exchange Online mailbox, covering spam, malware, connection filtering and core anti-phishing with spoof protection.

◆ PRODUCTExchange OnlineProtection (EOP)M365.FM
Title graphic: Exchange Online Protection (EOP) (Product)
TypeProduct

Key points about Exchange Online Protection (EOP)

Episodes about Exchange Online Protection (EOP)

Defender for Office 365

2026-10-29 · Video on YouTube

Most tenants run Microsoft Defender for Office 365 on defaults and assume they are protected while attackers test their filters every day. This episode is for email security admins, security engineers and SOC teams who want to tune anti-phishing, Safe Links…

Exchange Online Protection (EOP) - Simply Explained

2026-07-22 · Video on YouTube

Every Microsoft 365 tenant already has email protection, but few admins know where it stops. This episode breaks down Exchange Online Protection's three filtering layers, the zero-hour auto purge safety net and the gaps attackers exploit. Small and mid-sized…

2026-07-22 – Exchange Online Protection (EOP) - Simply Explained2026-10-29 – Defender for Office 3652026-072026-10
Timeline of episodes about Exchange Online Protection (EOP)

Articles about Exchange Online Protection (EOP) (3)

Frequently asked questions

What is Exchange Online Protection (EOP)?

Exchange Online Protection is the baseline cloud email security service in Microsoft 365. It filters spam, malware and basic phishing for incoming and outgoing email and needs no setup for basic protection. · From the episode: Exchange Online Protection (EOP) - Simply…

What are the limits of Exchange Online Protection?

EOP is the foundation, not a full security suite. Like a front gate guard, it checks messages on the way in but does not follow them afterward, so advanced threats may need more. · From the episode: Exchange Online Protection (EOP) - Simply…

Glossary

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Sources

Maintained by Mirko Peters (Microsoft MVP) · Last updated: