Security Yearbook 2021


Security Yearbook 2021 is completely updated with all the changes to the cybersecurity industry in 2020. This essential desk reference belongs on your bookshelf next to Security Yearbook 2020.

SKU: SY2021 Category: Tags: , ,


Announcing the availability of Security Yearbook 2021 for pre-order.  Order now and the new edition of the only history of the cybersecurity industry will be shipped to you on May 25, 2021.

What’s new in the 2021 edition?

The directory has been completely updated. 300 small vendors and two abject failures stopped supporting their websites in 2020. 600 new vendors were added, although only 13 high profile startups are listed. The Directory now contains 2,615 vendors of security products.

Two new stories of the pioneers of the cybersecurity industry have been added. Renaud Deraison, creator of Nessus, and Amit Yoran founder of Riptech and CEO of Tenable contribute their stories.

A new section has been added to track the performance of 21 publicly traded security vendors like Crowdstrike, Zscaler, Fortinet, and Palo Alto Networks.

Thanks to AGC Partners Security Yearbook 2021 contains a complete listing of M&A activity for 2020.

There were over $10 billion in new investments in high-flying security vendors. A complete list and analysis of these deals is included.

The biggest difference in the directory  this year is that the percent change in headcount is listed for each vendor. This is probably the most important metric for quickly assessing a vendor’s health. Successful vendors grow.

Completely updated for 2021


Additional information

Weight .9 lbs


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