Grzegorz Piechnik

Performance Engineer, k6 Champion, Content Creator

Joined on Nov 29, 2023 https://bento.me/gpiechnik

Grzegorz Piechnik

Dec 2

What is bind shell and reverse shell

#cybersecurity #security #webdev #beginners

3 min read

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Grzegorz Piechnik

Dec 2

What is Forward Proxy and Reverse Proxy

#cybersecurity #security #hacktoberfest #hacking

2 min read

Grzegorz Piechnik

Dec 2

What is WAF and IPS (Intrusion Prevention System & Web Application Firewall)

#cybersecurity #security #architecture #software

3 min read

Grzegorz Piechnik

Dec 1

Metasploit explained for pentesters

#cybersecurity #security #developer #automation

9 min read

Grzegorz Piechnik

Dec 1

Content Security Policy explained

#cybersecurity #security #programming #beginners

3 min read

Grzegorz Piechnik

Dec 1

Search for sensitive data using theHarvester and h8mail tools

#cybersecurity #security #hacking #hacktoberfest

3 min read

Grzegorz Piechnik

Dec 1

Scanning ports and finding network vulnerabilities using nmap

#cybersecurity #security #hacking #hackaton

7 min read

Grzegorz Piechnik

Dec 1

“Scary” Rogue Access Point attack

#cybersecurity #security #tutorial #opensource

7 min read

Grzegorz Piechnik

Dec 1

What is a zero-day (0-day) exploit? Real-life examples

#webdev #cybersecurity #security #software

3 min read

Grzegorz Piechnik

Dec 1

What is insecure deserialization

#cybersecurity #security #backend #programming

3 min read

Grzegorz Piechnik

Nov 30

What are and how to read CVEs (Common Vulnerabilities and Exposures)?

#cybersecurity #security #beginners #webdev

3 min read

Grzegorz Piechnik

Nov 30

Security risks associated with using the git version control system

#webdev #opensource #github #git

3 min read

Grzegorz Piechnik

Nov 30

Understanding the Cross Site Request Forgery (CSRF) attack

#webdev #beginners #cybersecurity #security

5 min read

Grzegorz Piechnik

Nov 30

Cross-Origin Resource Sharing (CORS). How does it work?

#webdev #beginners #codenewbie #learning

5 min read

Grzegorz Piechnik

Nov 30

Linux basics

#linux #codenewbie #learning #beginners

5 min read

Grzegorz Piechnik

Nov 30

What is path travelsal vulnerability?

#webdev #security #vulnerability #hacking

2 min read

Grzegorz Piechnik

Nov 30

What is the TCP/IP model

#webdev #codenewbie #learning #security

6 min read

Grzegorz Piechnik

Nov 30

What is SSL Certificate

#webdev #learning #codenewbie #security

6 min read

Grzegorz Piechnik

Nov 30

DNS Protocol explained

#webdev #codenewbie #learning #softwareengineering

5 min read

Grzegorz Piechnik

Nov 30

Insecure Direct Object Reference (IDOR) vulnerability types

#vulnerability #security #hacking #webdev

3 min read

Grzegorz Piechnik

Nov 29

What is JWT (Json Web Token)

#jwt #webdev #backenddevelopment #security

2 min read

Grzegorz Piechnik

Nov 29

X-Frame-Options header explained

#webdev #web #headers #security

2 min read

Grzegorz Piechnik

Nov 29

Checking network devices in Shodan search engine

#shodan #network #networking #searchengine

2 min read

Grzegorz Piechnik

Nov 29

Docker explained for pentesters

#docker #pentesting #bugbounty #hacking

7 min read

Grzegorz Piechnik

Nov 29

How to optimise JMeter for performance tests

#jmeter #performance #testing #bugs

3 min read