N B Sri Harsha
Summary
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SeniorN Harsha is a founder and security-focused CEO with 11 years of hands-on experience in offensive and defensive information security across web, mobile, network, IoT, wireless, and smart contracts. He combines deep manual testing and business-logic vulnerability expertise with a track record as an independent researcher and top-100 HackerOne/Bugcrowd bounty hunter, holding four CVEs. Harsha has organized and coached CTFs (including Nullcon and DSCI successes), collaborated with law enforcement cybercrime units, and delivered security workshops for government bodies, demonstrating both technical depth and community leadership. As CEO of Defmax and co-founder/CTO of Hackrew, he leads teams that act as shadow security partners, prioritizing manual, pragmatic assessments that automation misses. Notably, he’s discovered high-impact flaws in major platforms (Facebook, Google, Twitter, Apple, Cisco, Uber) and builds practical remediation processes end-to-end.
11 years of coding experience
Github Skills (24)
public-key10
rsa10
private-key10
cryptography9
command-line9
cmd8
windows8
console8
ctf8
axiom7
windows-terminal7
nvidia6
tmux6
httpx6
windows-console6
Programming languages (6)
Github contributions (5)
nullcon/hackim-2019
Jan 2019 - Jan 2019
Sources for challenges of Nullcon's HackIM 2019
Contributions:35 commits in 10 days
sources
nbsriharsha/axiom
May 2021 - Sep 2021
The dynamic infrastructure framework for everybody! Distribute the workload of many different scanning tools with ease, including nmap, ffuf, masscan, nuclei, meg and many more!
Contributions:3 PRs, 24 pushes in 4 months
nmap
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