Bug Bounty
YesWeHack
synack
bugcrowd
hackerone
httpxサクッと入門
nuclei
OWASP ZAP(Zed Attack Proxy)でWEBサイトの脆弱性診断をしよう
mitmproxy is a free and open source interactive HTTPS proxy.
caido
Burp Suite Professional
Global crowdsourced security provider trusted by the world's leading organizations
gau
wayback machine
How to Get Into Cyber Security in 2025: A Quick Guide
urlscan
brokencrystals