Free labs to test your Pen Test/CTF skills and beyond:
Academy Hackaflag BR - https://hackaflag.com.br/

Attack-Defense - https://attackdefense.com

Alert to win - https://alf.nu/alert1

CTF Komodo Security - https://ctf.komodosec.com

CMD Challenge - https://cmdchallenge.com

Explotation Education - https://exploit.education

Google CTF - https://lnkd.in/e46drbz8

HackTheBox - https://www.hackthebox.com

Hackthis - https://www.hackthis.co.uk

Hacksplaining - https://lnkd.in/eAB5CSTA

Hacker101 - https://ctf.hacker101.com

Hacker Security - https://lnkd.in/ex7R-C-e

Hacking-Lab - https://hacking-lab.com/

HSTRIKE - https://hstrike.com

ImmersiveLabs - https://immersivelabs.com

NewbieContest - https://lnkd.in/ewBk6fU5

OverTheWire - http://overthewire.org

Practical Pentest Labs - https://lnkd.in/esq9Yuv5

Pentestlab - https://pentesterlab.com

Penetration Testing Practice Labs - https://lnkd.in/e6wVANYd

PentestIT LAB - https://lab.pentestit.ru

PicoCTF - https://picoctf.com

PWNABLE - https://lnkd.in/eMEwBJzn

Root-Me - https://www.root-me.org

Root in Jail - http://rootinjail.com

SANS Challenger - https://lnkd.in/e5TAMawK

SmashTheStack - https://lnkd.in/eVn9rP9p

The Cryptopals Crypto Challenges - https://cryptopals.com

google.com (Dorks)
shodan.io (Servers)
censys.10 (Servers)
hunter. io (Mail addresses)
fullhunt.io (Attack Surface)
onyphe.io (Servers)
socradar.io (Threat Intelligence)
binaryedge.io (Attack Surface)
ivre.rocks (Servers)
crt.sh (certificate search)
vulners.com (Vulnerabilities)
publicwww.com (Source Code)
pulsedive.com (Threat Intelligence)
intelx.io (OSINT)
wigle.net (WiFi networks)
viz.greynoise.io (Threat Intelligence)

Try Hack Me - https://tryhackme.com

Vulnhub - https://www.vulnhub.com

W3Challs - https://w3challs.com

WeChall - http://www.wechall.net

Zenk-Security - https://lnkd.in/ewJ5rNx2

800 Comp Sci courses: https://github.com/Developer-Y/cs-video-courses
Blueteams Online: https://blueteamlabs.online/

#cybersecurity #resources #CyberEducation #infosec #CTF #pentesting