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A motivated individual always up for breaking stuff ! Currently working as a Red Team Security Consultant with a focus on penetration testing and security assessments for Web, Mobile, API, OT, and Network environments. I have experience leading 150+ security assessments, working with vendors from various industries such as government agencies, private organizations, healthcare, crypto, finance, retail, education, and many more to identify vulnerabilities and improve their overall security and help organizations strengthen their defenses against potential threats.In addition to my professional work, I’m an active bug bounty hunter on platforms like Bugcrowd and Synack. I’ve earned recognition in 70+ Hall of Fame lists, including those of Microsoft, Apple, Google, Zoom, Okta, Canva, Indeed, Atlassian, Dell, and many more. Helping organizations strengthen their security by identifying vulnerabilities and contributing to their overall cybersecurity efforts.Constantly learning, always hacking, I thrive on offensive security challenges and take pride in discovering the unknown before attackers do.

Mars Cheng leads TXOne Networks' PSIRT and Threat Research Team as their Threat Research Manager, where he coordinates product security initiatives and threat research efforts. He also holds the position of Executive Director for the Association of Hackers in Taiwan, facilitating collaboration between enterprises and the government to bolster the cybersecurity landscape. Additionally, Mars serves as a Cybersecurity Auditor for the Taiwan Government. His expertise spans ICS/SCADA systems, malware analysis, threat intelligence, and hunting, as well as enterprise system security. Mars has made significant contributions to the cybersecurity community, including authoring more than ten CVE-IDs and publishing in three SCI journals on applied cryptography.Mars is a frequent speaker and trainer at numerous prestigious international cybersecurity conferences, including Black Hat USA/Europe/MEA, RSA Conference, DEF CON, CODE BLUE, SecTor, Troopers, FIRST, HITB, ICS Cyber Security Conference Asia and USA, HITCON, NoHat, ROOTCON, SINCON, CYBERSEC, and many others. He plays an instrumental role as the General Coordinator for the HITCON CISO Summit 2024 and has successfully organized several past HITCON events including HITCON CISO Summit 2023, HITCON PEACE 2022, HITCON 2021, and HITCON 2020, demonstrating his commitment to advancing the field of cybersecurity.

Cybersecurity Consultant with over three years of hands-on industry experience, I specialize in offensive security—driven by a passion for uncovering and exploiting weaknesses before adversaries can. My work spans Red Team operations, Network Security, and Web/API Vulnerability Assessment & Penetration Testing (VAPT), with successful engagements across BFSI, IT Products & Services, and Healthcare sectors.With a strong research focus on Adversarial Tactics, Techniques, and Procedures (TTPs), I continuously explore emerging threat vectors and offensive methodologies to deliver actionable security insights that directly reduce business risk. My approach blends technical precision with creative attack strategies, ensuring organizations stay ahead of evolving cyber threats