I'm Chejarla Santosh Kumar.

About me :)

Hello I'm Chejarla Santosh Kumar, a 19 years old Computer science student in India.I'm from Guntur, Andhra Pradesh currently studying in Kerala at Amrita Vishwa Vidhyapetam. I mainly focus on Web security. I actively participate in Capture the flag contests as a part of Team bi0s which is one of India's top cybersecurity team ranked NO.1 in 2017 ctftime.org ranking. I've my own team newbies101 which is ranked 26 (as of 24-8-2018) in India. Fields I'm currently working on :

Web exploitation.

Foot printing and Recon.

Android exploitation.



CTF time Indian ranking of newbies101


CTf time International ranking of newbies101


Lines of code


Years of experience

My blog

Web exploitation

  • - Wiki -

  • This section contains wiki of some web vulnerabilities,tools for exploitation etc.


  • - Techniques -

  • This section contains info of some tools for foot printing and recon.

Android exploitation

  • - Techniques -

  • This section contains info of some tools for Android exploitation.

Get in touch


+91 9491900845




Amrita school of engineering, Kerala, India.