Ari Kalfus

Penetration tester and devsecops engineer. @artis3n

Joined on Aug 26, 2017 dev@artis3nal.com https://blog.artis3nal.com

Ari Kalfus

Dec 6 '20

Learn cyber security: TryHackMe Advent Of Cyber

#security #beginners

1 min read

Want to connect with Ari Kalfus?

Create an account to connect with Ari Kalfus. You can also sign in below to proceed if you already have an account.

Create Account

Already have an account? Sign in

Ari Kalfus

Nov 25 '20

Find The Cube

#showdev #security #ctf

3 min read

Ari Kalfus

Nov 9 '20

How is Deno Doing? (Nov 2020)

#node #javascript #deno

1 min read

Ari Kalfus

Sep 14 '20

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

#docker #security

16 min read

Ari Kalfus

Aug 23 '20

Buffer Overflow ASLR Bypass on HackTheBox October - with Metasploit

#pentest #hacking #security #hackthebox

14 min read

Ari Kalfus

Aug 13 '20

Test a Million Supported Systems with Molecule + GitHub Actions Matrix

#actionshackathon #ansible #molecule

3 min read

Ari Kalfus

Aug 13 '20

True CI/CD Pipeline for "Golden Image" AMIs

#actionshackathon #packer #ansible #terraform

2 min read

Ari Kalfus

Aug 13 '20

Automatically Deploy Your Ansible Galaxy Collections

#actionshackathon #ansible

2 min read

Ari Kalfus

Jun 28 '20

Buffer Overflow on HackTheBox Frolic - with Metasploit

#pentest #hacking

14 min read

Ari Kalfus

Jun 28 '20

Writeup: HackTheBox Bank - NO Metasploit

#pentest #hacking

8 min read

Ari Kalfus

Jun 16 '20

What is the difference between yarn and npm these days?

#discuss #javascript #npm #node

1 min read

Ari Kalfus

Jun 10 '20

SSR apps - obfuscate your code?

#discuss #javascript #vue #react

1 min read

Ari Kalfus

May 24 '20

Writeup: HackTheBox Bastard - NO Metasploit

#pentest #hacking

9 min read

Ari Kalfus

May 23 '20

Writeup: HackTheBox Grandpa and Granny - with Metasploit

#pentest #hacking

3 min read

Ari Kalfus

May 23 '20

Writeup: HackTheBox Arctic - with Metasploit

#pentest #hacking

3 min read

Ari Kalfus

May 23 '20

Writeup: HackTheBox Beep - with Metasploit

#pentest #hacking

8 min read

Ari Kalfus

Apr 12 '20

Hosting a Markdown Wiki For Pentests and Profit

#tutorial #aws #architecture

17 min read

Ari Kalfus

Feb 17 '20

Writeup: HackTheBox Optimum - with Metasploit

#pentest #hacking

3 min read

Ari Kalfus

Feb 17 '20

Writeup: HackTheBox Devel - with Metasploit

#pentest #hacking

4 min read

Ari Kalfus

Feb 9 '20

Writeup: HackTheBox Legacy - with Metasploit

#pentest #hacking

1 min read

Ari Kalfus

Feb 9 '20

Writeup: HackTheBox Lame - with Metasploit

#pentest #hacking

5 min read

Ari Kalfus

Jan 17 '20

Why Quasar? Why Nuxt? Why Vue?

#discuss #vue #javascript

1 min read

Ari Kalfus

Jan 14 '20

Writeup: SANS Holiday Hack Challenge 2019

#pentest #ctf #security #hacking

16 min read

Ari Kalfus

Nov 23 '19

How AWS's EC2 Instance Metadata V2 Prevents SSRF

#security #cloud #aws #appsec

7 min read

Ari Kalfus

Nov 14 '19

What API documentation generator/tool do you use?

#discuss #documentation

2 min read

Ari Kalfus

Nov 12 '19

Galaxy Collections Part 3: Integration Tests with Molecule

#showdev #devops #ansible #development

4 min read

Ari Kalfus

Nov 3 '19

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

#showdev #devops #ansible #github

16 min read

Ari Kalfus

Nov 3 '19

Galaxy Collections Part 1: Extending Ansible through Custom Plugins

#showdev #devops #development #ansible

16 min read

Ari Kalfus

Sep 28 '19

Writeup: Derbycon 9: Bank of America CTF

#pentest #security #ctf #hacking

34 min read

Ari Kalfus

Nov 13 '18

Who's Using Isolates? (Cloudflare article)

#discuss #webdev #cloud #container

1 min read

Ari Kalfus

Nov 6 '18

Demystifying SOP and CSP, featuring CORS

#security #appsec #webdev

11 min read

Ari Kalfus

Oct 15 '18

How do you authenticate your users?

#discuss #security #webdev

1 min read

Ari Kalfus

May 26 '18

Encrypting Files in a Post-PGP Age

#crypto #security #encryption

5 min read

Ari Kalfus

Mar 2 '18

Post-Quantum Cryptography, Part 2: Supersingular Isogenies

#crypto #quantum

6 min read

Ari Kalfus

Oct 21 '17

Post-Quantum Cryptography, Part 1: Quantum Computing

#crypto #quantum

7 min read

Ari Kalfus

Aug 27 '17

Random vs. Pseudorandom

#crypto #encryption #security

9 min read