Microsoft Defender for Office 365 vs. Tessian Cloud Email Security Platform
| Product | Rating | Most Used By | Product Summary | Starting Price |
|---|---|---|---|---|
![]() Microsoft Defender for Office 365 | Score8 out of 10 | N/A | Microsoft Defender for Office 365 is a security solution used to protect Office 365 against advanced threats, such as phishing and business email compromise. It helps prevent volume-based and targeted attacks, including business email compromise, credential phishing, ransomware, and advanced malware with a robust filtering stack, as well as to detect malicious and suspicious content like links and files across Office 365. | N/A |
Tessian Cloud Email Security Platform | Score9.4 out of 10 | N/A | Tessian Defender automatically prevents business email compromise, spear phishing, account takeover (ATO), and other targeted email attacks. Powered by Tessian’s proprietary Human Layer Security Engine, Defender analyses millions of data points for every inbound email and detects anomalies that indicate security threats. Tessian Defender captures attacks that evade secure email gateways and legacy security controls. These include zero-payload attacks that include no URL or attachment,… | N/A |
| Microsoft Defender for Office 365 | Tessian Cloud Email Security Platform | |||||||||||||||
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| Editions & Modules | No answers on this topic | No answers on this topic | ||||||||||||||
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| Entry-level Setup Fee | No setup fee | No setup fee | ||||||||||||||
| Additional Details | — | — | ||||||||||||||
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| Microsoft Defender for Office 365 | Tessian Cloud Email Security Platform | |
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| Considered Both Products | ![]() No answer on this topic | No answer on this topic |
| Key User Insights | ||
| Would buy again | ||
100% Would buy again 8 Answers | No answers on this topic | |
| Delivers good value for the price | ||
100% Delivers good value for the price 7 Answers | No answers on this topic | |
| Happy with the feature set | ||
100% Happy with the feature set 8 Answers | No answers on this topic | |
| Lived up to sales and marketing promises | ||
100% Lived up to sales and marketing promises 5 Answers | No answers on this topic | |
| Implementation went as expected | ||
100% Implementation went as expected 6 Answers | No answers on this topic | |
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| Microsoft Defender for Office 365 | Tessian Cloud Email Security Platform | |
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| Small Businesses | No answers on this topic | Sophos Email Score8.9 out of 10 |
| Medium-sized Companies | Proofpoint Targeted Attack Protection (TAP) Score9.1 out of 10 | Barracuda ESG (discontinued) Score6.2 out of 10 |
| Enterprises | Proofpoint Targeted Attack Protection (TAP) Score9.1 out of 10 | ![]() Microsoft Exchange Score8.6 out of 10 |
| All Alternatives | View all alternatives | View all alternatives |
| Microsoft Defender for Office 365 | Tessian Cloud Email Security Platform | |
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| Likelihood to Recommend | 8.6 | 8.6 |
| Usability | 8.0 | 6.6 |
| Microsoft Defender for Office 365 | Tessian Cloud Email Security Platform | |
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| Usability | ![]() No answers on this topic |
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| ScreenShots | Microsoft Defender for Office 365 Screenshots |






