Dhakshan A | Cybersecurity Portfolio

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Cybersecurity Specialist & Pentester

1st-year B.Sc. Computer Science with Cyber Security at SRCAS. 6+ years in cybersecurity — pentester with proven strengths in networking, Linux, and ethical hacking.

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About Me

System Monitor

Live process view — skills, tools, and stats as a running system.

dhakshan@kali — htop uptime: 6y 0m

   .´ `.
  /  kali \
 |   ◇──◇   |
  \  ===  /
   `.___.'

CPU — Skill Utilization

Network Security

90%

Penetration Testing

85%

Linux / Shell

92%

Web App Security

80%

Malware Analysis

75%

OSINT

88%

Cryptography

70%

MEM — Stats

exp6+ years

pentests50+ completed

vulns100+ found

modeOFFENSIVE

PIDUSERCPU%MEM%COMMANDSTATUS

// Random Security Fact

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Experience

git log

Commit history — from first exploit to formal education.

dhakshan@kali:~/career ⎇ main

dhakshan@kali:~/career $ git log --graph --oneline --all

● a3f9c2b HEAD → main B.Sc. Computer Science with Cyber Security 2025–present ›

commit a3f9c2b | Author: Dhakshan A | 2025–present

feat: enrolled @ SRCAS — B.Sc. CS with Cyber Security

+ Formal education in cybersecurity fundamentals, network defense + Cryptography, ethical hacking, advanced exploitation research + Independent malware analysis alongside curriculum Institute: Sri Ramakrishna College of Arts & Science (SRCAS)

│

● d7e1a89 Security Research & Bug Bounties 2022–2025 ›

commit d7e1a89 | Author: Dhakshan A | 2022–2025

feat: independent research + bug bounty programs

+ 50+ vulnerability assessments completed + Deep-dived pentesting, web app security, network exploitation + Contributed to multiple open-source security tools Platforms: HackerOne, Bugcrowd, independent research

│

● 1b2d4f7 Early Security Exploration 2019–2022 ›

commit 1b2d4f7 | Author: Dhakshan A | 2019–2022

init: first commit — CTF & Linux deep dive

+ Started with CTF competitions and Linux administration + Built home lab for attack/defense scenarios + Networking fundamentals mastered Platforms: HackTheBox, TryHackMe, PicoCTF

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$ git tag --list

tagv1.0-network-security-fundamentalsCisco Networking Academy

tagv2.0-ethical-hacking-essentialsEC-Council

tagv3.0-linux-essentialsLinux Professional Institute

tagv4.0-python-for-cybersecuritySelf-directed Study

Projects

Repository Explorer

Live-fetched from GitHub. Click any row to inspect.

dhakshan@github:~/repos bash — 80×24

dhakshan@github:~/repos $ ls -la --color=auto ▮

permissions lang name description updated

Fetching remote repositories...

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— repos

Writeups

Exploit DB

Vulnerability research, CTF writeups, and bug bounty findings.

dhakshan@exploit-db — searchsploit 4 results

dhakshan@kali:~ $ searchsploit --all --author=dhakshan

ID Severity Category Title Date

EDB-DA-001 CRITICAL Web Security IDOR → Account Takeover 2024-09 ›

type Bug Bountycvss 9.8target Production Web App

Discovered an IDOR vulnerability allowing unauthorized access to any user profile. By manipulating the user_id parameter, an attacker could read, modify, or delete any account without authentication.

IDORAuth BypassAPIMass Assignment

EDB-DA-002 HIGH Active Directory AD Lateral Movement — Domain Admin 2024-03 ›

type Lab Reportcvss 8.8target Internal AD

Full attack chain to Domain Admin via Kerberoasting, Pass-the-Hash, and BloodHound path analysis from foothold to full domain compromise.

KerberoastingPass-the-HashBloodHoundPrivEsc

EDB-DA-003 MEDIUM Binary Exploitation Buffer Overflow — Ret2Win 2023-11 ›

type CTF Writeupcvss 6.5target 32-bit ELF

Stack-based buffer overflow using pwntools cyclic() to find offset, overwrote return address to redirect to win() for shell access. ASLR defeated via fixed offset.

Buffer Overflowret2winpwntoolsASLR bypass

EDB-DA-004 HIGH Wireless Security WiFi Deauth & Evil Twin AP 2023-07 ›

type Researchcvss 7.4target WPA2 Network

Sent 802.11 deauth frames to force disconnection, stood up Evil Twin AP, captured WPA2 4-way handshakes, cracked PSK offline with Hashcat using wordlist + rules.

Evil TwinDeauthWPA2Aircrack-ngHashcat

Contact