> For the complete documentation index, see [llms.txt](https://appsecurity.gitbook.io/about/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://appsecurity.gitbook.io/about/master.md).

# Contents

## About Me

Hello!

My name is Oleg Petrakov. I'm a security researcher and an application security engineer. 

<figure><img src="/files/h2bdksbMNe8zJ5OeX7yc" alt="It&#x27;s me :)"><figcaption><p>It's me :)</p></figcaption></figure>

Several years ago I started collecting an information about some fields in Information Security. Now it have a form like Gitbook-pages. List of all my gitbooks: <https://appsecurity.gitbook.io/> (you here now:grin:).&#x20;

Also I have a Telegram-channel where I put some notes & tips.&#x20;

My Telegram channel — <https://t.me/not_experts_channel>

In the Telegram you can find me by link <https://t.me/IkeMurami>

Primary language — Russian but I am learning English and sometimes I try writing on English :)

## Gitbooks

### AppSec & Pentest

Link: <https://appsecurity.gitbook.io/offensive/>

* Application security: <https://appsecurity.gitbook.io/offensive/v/appsec/>
* Mobile security: <https://appsecurity.gitbook.io/offensive/v/mobile/>
* Penetration testing: <https://appsecurity.gitbook.io/offensive/v/pentest/>
* Cloud security: <https://appsecurity.gitbook.io/offensive/v/cloud/>

### Dev & Ops

Link: <https://appsecurity.gitbook.io/devops/>

* Programming: <https://appsecurity.gitbook.io/devops/v/ppc/>
* Administration: <https://appsecurity.gitbook.io/devops/v/admin/>
* Notes about network protocols: <https://appsecurity.gitbook.io/devops/v/network/>

### RE & For & Crypto

Link: <https://appsecurity.gitbook.io/binary/>

* Reverse engineering: <https://appsecurity.gitbook.io/binary/>
* Cryptography: <https://appsecurity.gitbook.io/binary/v/crypto/>
* Forensics: <https://appsecurity.gitbook.io/binary/v/for/>