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Narasimha Mallegari

Learning cybersecurity from scratch. Writing weekly about networking, Linux, Python and ethical hacking.

United States Joined on Apr 3, 2026 https://www.linkedin.com/in/narasimha-mallegari-/

Narasimha Mallegari

Apr 18

Security+ started, 3 tools built, real attacks found on my own machine

#cybersecurity #python #beginners #security

3 min read

Narasimha Mallegari

Apr 18

I built a log analyzer, and it found real attacks on my own machine

#cybersecurity #python #linux #security

3 min read

Narasimha Mallegari

Apr 14

I built a port scanner from scratch, and it taught me more than running Nmap ever did

#cybersecurity #networking #python #beginners

4 min read

Narasimha Mallegari

Apr 9

One missing flag on a cookie enables session hijacking, and I almost glossed over it

#cybersecurity #python #http #beginners

4 min read

Narasimha Mallegari

Apr 7

Learning Cybersecurity — OverTheWire Bandit taught me more about Linux in one hour than a week of reading

#cybersecurity #linux #beginners #overthewire

4 min read

Narasimha Mallegari

Apr 6

Learning Cybersecurity — I ran my first real Nmap scan, and it made ports click in a way no video ever did

#cybersecurity #beginners #networking #nmap

4 min read

Narasimha Mallegari

Apr 4

Learning Cybersecurity — I watched my own internet traffic, and it changed how I think about security

#cybersecurity #networking #network #wireshark

3 min read

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