Want to find active backdoor connections on your Linux system? 🚨
Here’s a one-liner to detect reverse shells and suspicious outbound connections:
netstat -antp | awk ‘$6 == “ESTABLISHED” && $5 !~ /:22$|:80$|:443$/ {print $5, $7}’ | sort -u
🚀 One Platform. Three Cybersecurity Paths.
Whether you're interested in Ethical Hacking, Web Security, or Security Operations, Hackviser offers a certification designed to help you develop practical, job-relevant skills.
May Hackviser Hall of Fame
A new month, a new battlefield — and May delivered fierce competition across the leaderboard
1. D3sTRoY3R — 1723 points
2. egehansaygiBUxR — 1565 points
3. sekhmet — 1557 points
4. fuatsiimsekDG3j — 1554 points
5. oligoDendrosit — 1497 points
Want to see who’s trying to break into your Linux server? 🐧
Here’s a quick one-liner to reveal failed SSH login attempts:
grep “Failed password” /var/log/auth.log
What attackers did you catch? Drop your findings below! 👇
One single quote can change everything.
Authentication forms are the front door of web applications, but SQL Injection is the master key.Sometimes, you don't need to crack the password you just need to confuse the database
Here are 17 different ways to say "Let me in" using SQL
🚨 THE WINNERS ARE HERE! 🚨
The wait is over! Huge congratulations to the 10 lucky winners of our CSOA Certification Giveaway!
You’ve officially unlocked FREE access to the new CSOA certification path plus a 1-month VIP membership to crush your defense and SOC analysis goals.
What a month for vulnerabilities.
The CVE feed didn’t stop.
New vulnerabilities kept dropping.
Security teams kept trying to keep up.
We’re turning the latest real-world CVEs into hands-on labs on Hackviser, so teams can practice, understand, and respond faster.
Ready to trigger a heap buffer overflow and execute remote commands on an NGINX server? ⚡️🚨
Just added to Hackviser Labs: NGINX Rewrite Module RCE via Heap Buffer Overflow (CVE-2026-42945) 🔥
Join Hackviser to start the lab now 🚀
🚨 Ready to level up your cybersecurity game?
The CAPT (Certified Associate Penetration Tester) is your first step into the real world of ethical hacking. 🔐
💻 Hands-on labs
🛠️ Real tools
🎯 Practical skills
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Start learning. Start hacking.
Ever wondered which file is eating up your Linux space? 🐧
Here’s a one-liner to find your largest files:
find / -type f -printf “%s %p\n” | sort -nr | head -10
Share your space hogs below! 👇
🚨 CSOA Certification Giveaway 🚨
Get FREE access to the new CSOA cert + 1-month VIP membership! 🛡️
How to Enter:
1️⃣ Follow Hackviser
2️⃣ Like & Repost
3️⃣ Tag a friend below
💡 1 Tag = 1 Extra Entry (Separate comments)
🏆 10 Winners
📅 Deadline: May 21
Good luck! ⚡️