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Top 20 Cybersecurity Companies You Need to Know in 2025

eSecurity Planet

Top Cybersecurity Companies Compared Vendor # of eSecurity Planet Top Product Lists Market Capitalization (2025) Overall Gartner Peer Insights Score Overall Glassdoor Score Palo Alto: Best Protection Against Network, Endpoint and Remote Asset Attack 14 $121.40 Fortinet: Best for Network Security Perimeter Protection 15 $74.33

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Top Cybersecurity Companies for 2021

eSecurity Planet

McAfee has been a major player in security for a long time. This includes antivirus, identity protection, SIEM (where Gartner names it a Leader), endpoint protection (graded a Visionary by Gartner) and secure web gateways (Gartner Challenger). Network security. Cloud access security broker (CASB).

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Top VC Firms in Cybersecurity of 2022

eSecurity Planet

Company Sector Year Status Isovalent Cloud security 2020 Private Illumio Cloud security 2015 Private SignalFx Monitoring 2015 Acquired: Splunk CipherCloud Cloud security 2012 Acquired: Lookout Lookout Mobile security 2011 Private. Mimecast Email security 2012 Nasdaq: MIME. Bessemer Venture Partners.

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Top 6 Rootkit Threats and How to Protect Yourself

eSecurity Planet

Any bugs or glitches in its programming leaves noticeable trails for antivirus software to track. The ZeroAccess botnet, discovered in 2011, hit systems hard with fraudulent advertising clicks and Bitcoin mining malware, infecting at least 9 million computers worldwide. Looking for More Ways to Keep Your Network Safe?

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ChatGPT: Cybersecurity friend or foe?

Malwarebytes

Why ChatGPT security concerns are both overblown and valid Artificial intelligence (AI) was once a science fiction cautionary tale—stories consistently warned against designing machines capable of surpassing human ingenuity. But over the last 20 years, AI has transitioned from the stuff of nightmares to mainstream adoption.