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Ari Kalfus profile picture

Ari Kalfus

Penetration tester and devsecops engineer. @artis3n

Seven Year Club
Writing Debut
Six Year Club
Hacktoberfest 2022
Five Year Club
Four Year Club
Hacktoberfest 2020
GitHub Actions Hackathon Participant
Three Year Club
4 Week Writing Streak
Hacktoberfest 2019
Two Year Club
Learn cyber security: TryHackMe Advent Of Cyber

Learn cyber security: TryHackMe Advent Of Cyber

22
Comments
1 min read

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Find The Cube

Find The Cube

8
Comments
3 min read
How is Deno Doing? (Nov 2020)

How is Deno Doing? (Nov 2020)

4
Comments 4
1 min read
Running a Graphical Application from a Docker Container - Simply and Securely

Running a Graphical Application from a Docker Container - Simply and Securely

7
Comments
16 min read
Buffer Overflow ASLR Bypass on HackTheBox October - with Metasploit

Buffer Overflow ASLR Bypass on HackTheBox October - with Metasploit

3
Comments
14 min read
Test a Million Supported Systems with Molecule + GitHub Actions Matrix

Test a Million Supported Systems with Molecule + GitHub Actions Matrix

10
Comments
3 min read
True CI/CD Pipeline for "Golden Image" AMIs

True CI/CD Pipeline for "Golden Image" AMIs

5
Comments
2 min read
Automatically Deploy Your Ansible Galaxy Collections

Automatically Deploy Your Ansible Galaxy Collections

5
Comments
2 min read
Buffer Overflow on HackTheBox Frolic - with Metasploit

Buffer Overflow on HackTheBox Frolic - with Metasploit

15
Comments
14 min read
Writeup: HackTheBox Bank - NO Metasploit

Writeup: HackTheBox Bank - NO Metasploit

Comments
8 min read
What is the difference between yarn and npm these days?

What is the difference between yarn and npm these days?

38
Comments 19
1 min read
SSR apps - obfuscate your code?

SSR apps - obfuscate your code?

3
Comments
1 min read
Writeup: HackTheBox Bastard - NO Metasploit

Writeup: HackTheBox Bastard - NO Metasploit

7
Comments
9 min read
Writeup: HackTheBox Grandpa and Granny - with Metasploit

Writeup: HackTheBox Grandpa and Granny - with Metasploit

1
Comments
3 min read
Writeup: HackTheBox Arctic - with Metasploit

Writeup: HackTheBox Arctic - with Metasploit

5
Comments
3 min read
Writeup: HackTheBox Beep - with Metasploit

Writeup: HackTheBox Beep - with Metasploit

1
Comments
8 min read
Hosting a Markdown Wiki For Pentests and Profit

Hosting a Markdown Wiki For Pentests and Profit

7
Comments
17 min read
Writeup: HackTheBox Optimum - with Metasploit

Writeup: HackTheBox Optimum - with Metasploit

5
Comments
3 min read
Writeup: HackTheBox Devel - with Metasploit

Writeup: HackTheBox Devel - with Metasploit

4
Comments
4 min read
Writeup: HackTheBox Legacy - with Metasploit

Writeup: HackTheBox Legacy - with Metasploit

8
Comments
1 min read
Writeup: HackTheBox Lame - with Metasploit

Writeup: HackTheBox Lame - with Metasploit

10
Comments
5 min read
Why Quasar? Why Nuxt? Why Vue?

Why Quasar? Why Nuxt? Why Vue?

11
Comments 9
1 min read
Writeup: SANS Holiday Hack Challenge 2019

Writeup: SANS Holiday Hack Challenge 2019

7
Comments 2
16 min read
How AWS's EC2 Instance Metadata V2 Prevents SSRF

How AWS's EC2 Instance Metadata V2 Prevents SSRF

8
Comments
7 min read
What API documentation generator/tool do you use?

What API documentation generator/tool do you use?

82
Comments 39
2 min read
Galaxy Collections Part 3: Integration Tests with Molecule

Galaxy Collections Part 3: Integration Tests with Molecule

6
Comments
4 min read
Galaxy Collections Part 1: Extending Ansible through Custom Plugins

Galaxy Collections Part 1: Extending Ansible through Custom Plugins

8
Comments
16 min read
Galaxy Collections Part 2: Automatically Update Your Collection with Github Actions

Galaxy Collections Part 2: Automatically Update Your Collection with Github Actions

6
Comments
16 min read
Writeup: Derbycon 9: Bank of America CTF

Writeup: Derbycon 9: Bank of America CTF

12
Comments
34 min read
Who's Using Isolates? (Cloudflare article)

Who's Using Isolates? (Cloudflare article)

10
Comments 5
1 min read
Demystifying SOP and CSP, featuring CORS

Demystifying SOP and CSP, featuring CORS

15
Comments 1
11 min read
How do you authenticate your users?

How do you authenticate your users?

6
Comments 10
1 min read
Encrypting Files in a Post-PGP Age

Encrypting Files in a Post-PGP Age

24
Comments 3
5 min read
Post-Quantum Cryptography, Part 2: Supersingular Isogenies

Post-Quantum Cryptography, Part 2: Supersingular Isogenies

12
Comments
6 min read
Post-Quantum Cryptography, Part 1: Quantum Computing

Post-Quantum Cryptography, Part 1: Quantum Computing

27
Comments 4
7 min read
Random vs. Pseudorandom

Random vs. Pseudorandom

41
Comments 2
9 min read
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