Mallikharjun S.

Bug Bounty Hunter | Cybersecurity Researcher | Pentester

Visakhapatnam, India

Experience

Jan 2023 - Present
3 years

Bug Bounty Hunter | Cybersecurity Researcher | Pentester

Bugcrowd

  • Active participation in prominent bug bounty programs, identifying critical vulnerabilities and responsibly disclosing them to bolster digital defenses.
  • Proficient in conducting comprehensive vulnerability assessments, utilizing penetration testing tools and methodologies to uncover hidden security risks.
  • In-depth knowledge of web application security, adept at analyzing and mitigating potential threats such as cross-site scripting (XSS), SQL injection, and CSRF.
  • Skilled in analyzing network infrastructure for potential weaknesses, implementing secure configurations, and protecting against cyber threats.
  • Proficient in Linux, Windows, and macOS operating systems, leveraging technical prowess for troubleshooting and system optimization.
Jun 2022 - Present
3 years 7 months

Bug Bounty Hunter

YesWeHack

  • Active participation in prominent bug bounty programs, identifying critical vulnerabilities and responsibly disclosing them to bolster digital defenses.
  • Proficient in conducting comprehensive vulnerability assessments, utilizing penetration testing tools and methodologies to uncover hidden security risks.
  • In-depth knowledge of web application security, adept at analyzing and mitigating potential threats such as cross-site scripting (XSS), SQL injection, and CSRF.
  • Skilled in analyzing network infrastructure for potential weaknesses, implementing secure configurations, and protecting against cyber threats.
  • Proficient in Linux, Windows, and macOS operating systems, leveraging technical prowess for troubleshooting and system optimization.
Mar 2022 - Present
3 years 10 months

Bug Bounty Hunter

HackerOne

  • Active participation in prominent bug bounty programs, identifying critical vulnerabilities and responsibly disclosing them to bolster digital defenses.
  • Proficient in conducting comprehensive vulnerability assessments, utilizing penetration testing tools and methodologies to uncover hidden security risks.
  • In-depth knowledge of web application security, adept at analyzing and mitigating potential threats such as cross-site scripting (XSS), SQL injection, and CSRF.
  • Skilled in analyzing network infrastructure for potential weaknesses, implementing secure configurations, and protecting against cyber threats.
  • Proficient in Linux, Windows, and macOS operating systems, leveraging technical prowess for troubleshooting and system optimization.
Jun 2017 - Dec 2019
2 years 7 months
Visakhapatnam, India

Food Delivery Driver

Swiggy Instamart

  • Delivered food items to customers in a timely and efficient manner
  • Maintained a clean and safe vehicle and adhered to traffic laws
  • Provided excellent customer service and resolved customer complaints
Sep 2010 - Present
15 years 4 months
Visakhapatnam, India

Freelance UI Designer, Wordpress and Website Designer

Self Employed

  • Designed and developed websites using WordPress
  • Created custom designs and user interfaces for clients
  • Provided ongoing support and maintenance for websites
Apr 2010 - Present
15 years 9 months

Wordpress Developer

Freelance

Nov 2006 - Aug 2010
3 years 10 months
Hyderabad, India

Affiliate / CPA Marketer

Several CPA Networks In USA

  • Promoted products and services through affiliate marketing and CPA campaigns
  • Tracked and analyzed marketing metrics to optimize campaigns and increase ROI
  • Established partnerships with merchants and publishers to maximize earnings
Mar 2004 - Oct 2006
2 years 8 months
Pune, India

Project Coordinator

PVR Projects Limited Pune

  • Managed multiple projects simultaneously and ensured they were delivered on time and within budget
  • Coordinated with cross-functional teams and stakeholders to ensure project success
  • Developed and implemented effective project management processes
Jun 2002 - Feb 2004
1 year 9 months
Nellore, India

Computer Technician

Epic - NIC

  • Troubleshot and repaired computer hardware and software issues
  • Installed and configured computer systems and peripherals
  • Provided technical support to clients
Jun 2000 - Apr 2002
1 year 11 months
Nellore, India

Warehouse Assistant

Nellore Marketing Private Limited

  • Assisted in the day-to-day operations of a warehouse
  • Coordinated with the logistics team to ensure timely delivery of goods
  • Managed inventory and ensured accuracy of stock levels
Mar 1999 - May 2000
1 year 3 months
Nellore, India

Data Entry Clerk

Hotline Computers

  • Accurately entered and maintained data in computer systems
  • Assisted in various office tasks as needed
  • Contributed to the efficient functioning of the department
Sep 1996 - Jan 1999
2 years 5 months
Nellore, India

Owner, Fastfood Hotel

Sai Fast Foods

  • Established and managed a successful fast food hotel
  • Developed menus, recruited and trained staff, and managed finances
  • Increased revenue and customer base through effective marketing and customer service
Jun 1995 - Aug 1996
1 year 3 months
Ongole, India

Door-to-door Marketing Executive

Primus Kabsons Limited

  • Conducted market research and developed effective marketing strategies
  • Successfully promoted products and services to potential customers
  • Achieved sales targets and exceeded expectations
Mar 1992 - Jun 1995
3 years 4 months
Ongole, India

Horticulturist and Dairy Farmer

Own Farms

  • Managed daily operations of a horticulture farm and dairy farm
  • Implemented effective agricultural practices to increase production and efficiency
  • Trained and supervised farm workers

Summary

Hello, I'm Mallikharjun Swamy, an experienced Bug Bounty Hunter & Security Researcher, actively uncovering vulnerabilities to strengthen cybersecurity. With a deep understanding of web application security, API security, and network security, I specialize in offensive security testing, vulnerability analysis, and responsible disclosure.

Professional Summary: I have a strong background in cybersecurity and have reported critical vulnerabilities across various private and public bug bounty programs, including Doctolib, T-Mobile, and Zomato. My expertise spans XSS, SQL injection, subdomain takeovers, API misconfigurations, and cloud security weaknesses.

Bug Bounty & Security Research: Bug Bounty Hunter on HackerOne, Bugcrowd, YesWeHack, and Intigriti Focused on Web Application Security, API Security, and Cloud Security Experience with recon automation, fuzzing, and payload crafting Tools & Techniques: Burp Suite, Nuclei, Xray, Wscan, Katana, Subfinder, FFuF, and custom scripts for automation

Key Achievements: Discovered and responsibly reported high-impact vulnerabilities in global platforms Conducted subdomain takeovers, API security assessments, and advanced recon Automated large-scale asset enumeration, vulnerability scanning, and exploitation

Technical Skills: Web & API Pentesting | Recon Automation | OSINT | Cloud Security Advanced Burp Suite techniques | Custom XSS & SQLi payloads Linux & Networking | Bash, Python, and JavaScript for security automation

Current Focus: I'm constantly refining my offensive security skills, expanding my knowledge in cloud security and red teaming, and aiming to contribute more to the cybersecurity community through bug bounty programs, responsible disclosure, and security research.

Let’s Connect! If you're into cybersecurity, ethical hacking, or bug bounties, feel free to connect or collaborate!

Languages

Telugu
Native
English
Advanced
Hindi
Advanced

Education

Oct 1990 - Jun 1995

Krishna Memorial School

Secondary School · Patna, India

Oct 1985 - Jun 1989

Pragathi Vidya Vanam

1st Class to 5th Class

Oct 1983 - Jun 1985

Bala Vignana Mandir (E.M) School ,Rajahmundry

Kinder Garden, Kindergarten/Preschool Education and Teaching · Rajamahendravaram, India

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