Top-21 Cybersecurity Experts You Must Follow on Twitter in 2021

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There is nothing better than learning from the experts when it comes to Cybersecurity. Gaining insights from the industry’s top influencers can prove to be crucial in optimizing your Application Security strategy. Without further adieu, we are glad to share a list of Top-21 Cybersecurity experts you must follow on Twitter in 2021. It’s time to demystify threats like Magecart, Web-Skimming, Supply Chain Attacks and more.
Rafay Baloch
#1 Rafay Baloch

Rafay Baloch’s Twitter Account

Rafay Baloch is a famous InfoSec expert who is widely known for his ethical hacking. He is the go-to expert when it comes to identifying large security threats such as zero-day vulnerabilities and WAF flaws. Being a popular author and public speaker, Baloch has his own blog where he exposes vulnerabilities in mobile and web browsers and gives helpful security-related tips. 


Claim to Fame – Author of the “Ethical Hacking and Penetration Testing Guide” and AppSec articles on Forbes, Yahoo News, and more. Listed in the “Top 25 threat seekers of 2014” and “The 15 Most Successful Ethical Hackers WorldWide”.

Troy Hunt
#2 Troy Hunt

Troy Hunt’s Twitter Account

Troy Hunt is a renowned author and contributor to the Pluralsight courses on web security. He is a frequent speaker at tech conferences that cover cybersecurity topics. Mostly known for his website called Haveibeenpwned?, he helps millions of businesses and private web users to identify whether their emails or phones have been tampered with or their data was stolen. 


Claim to Fame – Troy Hunt is a Microsoft Most Valuable Professional for Developer Security.  In 2018, he received the Grand Prix Prize for the Best Overall Security Blog, which is followed by thousands of readers from around the world.

Kevin Mitnick
#3 Kevin Mitnick

Kevin Mitnick’s Twitter Account

After having been arrested and sentenced for hacking 40 large organizations, Mitnick became a white hat hacker who helps big corporations and even governments. He is a frequent guest at broadcasts like CNN, FOX News, and BBC, where he educates or comments about security issues. Being a part-owner of KnowBe4, he creates training programs to spread security awareness. 


Claim to Fame – Kevin…