AVAILABLE FOR CUSTOM CTF CHALLENGE COMMISSIONS

Parvez Mosharaf Siam

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Security researcher & bug bounty hunter turning real-world vulnerabilities into signed reports — and turning forensic artifacts into hand-crafted CTF challenges played by hundreds of teams across national & university competitions.

Commission a Challenge Get in Touch
0Bounty Platforms
0CTF Events Contributed
0Forensics Challenges Built
01 // whoami

About Me

I'm Parvez Mosharaf Siam, an independent security researcher and bug bounty hunter. I spend my time hunting for real vulnerabilities on public bug bounty programs, and building original digital forensics challenges for Capture the Flag competitions.

On the offensive side, I report findings through HackerOne, Bugcrowd, Intigriti and YesWeHack. On the puzzle-building side, I design forensic investigation scenarios — disk images, memory dumps, network captures, steganography chains, log analysis cases — that challenge players to think like real incident responders.

I've contributed digital forensics challenges to national and university-level CTFs, including BDSecCTF, KnightCTF, UAPCTF, and BUPCTF, among others. If you're organizing a CTF and need a forensics track that's original, well-documented, and properly play-tested — that's exactly what I do.

Digital Forensics Bug Bounty CTF Challenge Design Memory & Disk Forensics Network Forensics Steganography Incident Response
whoami.sh 
# cat profile.json
{
  "handle": "pmsiam",
  "name": "Parvez Mosharaf Siam",
  "role": ["Bug Bounty Hunter", "Forensics CTF Author"],
  "platforms": ["HackerOne", "Bugcrowd", "Intigriti", "YesWeHack"],
  "ctf_challenges_authored_for": [
    "BDSecCTF", "KnightCTF",
    "UAPCTF", "BUPCTF",
    "..."
  ],
  "status": "open_for_work"
}
02 // bug_bounty

Find Me on Bounty Platforms

Verified researcher profiles — click through to see my activity and reputation.

HackerOne

hackerone.com/pmsiam

View profile

Bugcrowd

bugcrowd.com/h/pmsiam

View profile

Intigriti

siam_557

View profile

YesWeHack

yeswehack.com/hunters/pmsiam

View profile
03 // forensics_ctf

Digital Forensics Challenge Authoring

Original forensics tracks designed, built and play-tested for national & university CTFs.

Disk & File System

Deleted file recovery, partition/MBR anomalies, hidden volumes, file carving.

Memory Forensics

RAM dump analysis, process/injection artifacts, Volatility-based investigations.

Network Forensics

PCAP analysis, exfiltration tracing, protocol abuse, C2 traffic reconstruction.

Steganography

Multi-layer stego chains across images, audio, and metadata.

Log & Timeline Analysis

Event log correlation, timeline reconstruction, incident storytelling.

Mobile Forensics

Android/iOS backup and artifact analysis for mobile-based scenarios.

Challenges authored / contributed for:

BDSecCTF KnightCTF UAPCTF BUPCTF + more
04 // services

Commission a Digital Forensics Challenge

For CTF organizers, universities, and companies who need original, professionally built forensics challenges. Every challenge ships with writeup, flag, and scoring checker — play-tested before delivery. Pricing below is a standard market-rate starting point; final quote depends on scenario depth, artifact size and turnaround.

Standard
$60 – $120

Single-artifact challenge focused on one core forensic technique.

  • 1 forensic artifact
  • Flag + writeup
  • Basic play-testing
  • 3–5 day delivery
Request Quote
Most Requested
Advanced
$120 – $250

Multi-stage investigation combining 2–3 forensic domains with a custom narrative.

  • 2–3 chained artifacts
  • Custom scenario & story
  • Flag + full writeup
  • Play-tested by peers
  • 5–10 day delivery
Request Quote
Premium
$250 – $450

Deep multi-artifact case requiring pivoting across several forensic techniques.

  • 3+ chained artifacts
  • Custom tooling / checker script
  • Flag + full writeup
  • Extended play-testing
  • 10–15 day delivery
Request Quote
Enterprise
$450+

Flagship / final-round challenge — competition-grade and highly original.

  • Fully custom scenario design
  • Multiple forensic domains chained
  • Dedicated support during the event
  • Priority delivery timeline
Request Quote

Bulk pricing available for organizers commissioning an entire forensics track (multiple challenges across difficulty levels). Reach out with your event name, dates and challenge count for a custom package rate.

05 // contact

Let's Work Together

Have a CTF that needs a forensics track, or a program that needs testing? Send a message.

Response Time Usually within 24–48 hours
Open To Bug bounty programs, VDPs, forensics CTF commissions