
Cisco Email Security
Vade for Microsoft 365
Trustwave Secure Email Gateway
Libraesva Email Security Gateway
Barracuda Email Security Gateway
FortiMail
Sophos PureMessage
Abnormal is a prominent platform that provides accurate and superior cloud-native Email Security.

The modern platform for creating, sharing, and collaborating on AI prompts. Advanced version control and real-time testing.
Which is more popular?
Based on our record, Abnormal Security seems to be more popular. It has been mentioned 8 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | abnormalsecurity.com | diffyn.com |
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| Company | Startup from the United States · 100 - 249 employees · 2018 | — |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


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The Ultimate Prompt Tool for Creators – Visualize & Organize with Diffyn
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Abnormal Security and Diffyn.
Diffyn's answer:
Addresses workflow and change management on LLM prompts, provide teams with traceability and visualization of tests across multiple models, provide deeper understading into efficiency of these prompts.
Diffyn's answer:
Diffyn is the platform that specializes on both change management and multi-model analysis.
Diffyn's answer:
React, Next.js, POSTGRESQL
Diffyn's answer:
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
Diffyn's answer:
I started working on Diffyn when I notice that prompting has become an essential part of work across many industries. While there are version control platofrms like github, they are not designed for just prompt management are can be overkill such applications, it is also not integrated natively with various LLMs and relevant tools for users to validate ideas and visualise results properly.
Share your experience with using Abnormal Security and Diffyn. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Https://abnormalsecurity.com/ This is really cool, high fidelity from my tests. - Source: Hacker News / about 3 years ago
Yea, shits ridiculous.....and Mimecast support has been hot garbage as of late. I can't even get them to pick up the phone. Our renewal is up at the end of the month and this is just further affirmation to replace them with a better... Source: about 3 years ago
I’m sure this will get buried but Abnormal has been able to catch stuff like this for us. Source: over 3 years ago
Tracking Diffyn since Jun 2025.
When comparing Abnormal Security and Diffyn, you can also consider the following products.

Cisco Email Security protects against ransomware, business email compromise, spoofing, and phishing.
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Vade for Microsoft 365 is a top-notch email security solution that is specifically aimed to help MSPs protect their networks from adversaries.
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Trustwave Secure Email Gateway helps protect your email environment against modern threats such as malware, ransomware and phishing, and helps prevent loss of sensitive corporate data.
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Libraesva Email Security Gateway provides enterprise email protection to assist small to large-sized businesses and enterprises to prevent outside attacks on their network.
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Barracuda's Email Security Gateway is a powerful antivirus filter specifically designed to identify and eliminate email-borne threats, stopping hazards before they reach the network.
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Fortinet Email security is designed to block ransomware, phishing, and other cyber threats seeking entry via incoming email and outgoing messages don’t improperly leak sensitive data.
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