
201 - 500 employees
💰 $400M Series B on 2021-07
ActiveFence is a Trust and Safety provider for online platforms, protecting platforms and their users from malicious behavior and content. Trust and Safety teams of all sizes rely on ActiveFence to keep their users safe from the widest spectrum of online harms, unwanted content, and malicious behavior, including child safety and exploitation, disinformation, hate speech, terror, nudity, fraud, and more. We offer a full stack of capabilities with our deep intelligence research, AI-driven harmful content detection, and online content moderation platform. Protecting over three billion users globally everyday in over 100 languages, ActiveFence lets people interact and thrive online.
🕒 January 14
Improve your chances of getting an interview by checking your resume score before you apply.

201 - 500 employees
💰 $400M Series B on 2021-07
ActiveFence is a Trust and Safety provider for online platforms, protecting platforms and their users from malicious behavior and content. Trust and Safety teams of all sizes rely on ActiveFence to keep their users safe from the widest spectrum of online harms, unwanted content, and malicious behavior, including child safety and exploitation, disinformation, hate speech, terror, nudity, fraud, and more. We offer a full stack of capabilities with our deep intelligence research, AI-driven harmful content detection, and online content moderation platform. Protecting over three billion users globally everyday in over 100 languages, ActiveFence lets people interact and thrive online.
• Conduct analysis and testing of generative AI systems • Conduct sophisticated and comprehensive simulated attacks on generative AI models and their operating environments to uncover vulnerabilities. • Evaluate the security posture of AI models and infrastructure, identifying weaknesses and potential threats. • Perform thorough risk analysis to determine the impact of identified vulnerabilities and prioritize mitigation efforts. • Collaborate with development and security teams to develop effective strategies to mitigate identified risks and enhance model resilience. • Stay abreast of the latest trends and developments in AI security, ethical hacking, and cyber threats. • Maintain detailed documentation of all red team activities, findings, and recommendations. • Prepare and present reports to senior management and relevant stakeholders.
• Proven experience in AI vulnerabilities analysis • Strong understanding of AI technologies and their underlying architectures, especially generative models and agentic frameworks. • At Least 5 years of experience in Web Penetration testing. • Excellent analytical, problem-solving, and communication skills. • Ability to work in a fast-paced, ever-changing environment. • Proficiency in Python or NodeJS • Advanced Certifications in offensive cybersecurity (e.g. OSWE, OSCE3, SEC542, SEC522) are highly desirable. • Familiarity with agentic frameworks and agentic development experience • Bachelor’s or Master’s degree in Computer Science, Information Security, or a related field. • Proven records for vulnerability disclosure, such as CVE
Apply Now🕒 January 13
Security Software Engineer improving security and privacy features at Tailscale for their secure networking software. Collaborate with teams to ensure safe usage and implement new security protocols.
🇺🇸 United States – Remote
💵 $163k - $204k / year
💰 $100M Series B on 2022-05
⏰ Full Time
🟡 Mid-level
🟠 Senior
👮♂️ Cybersecurity / Security Engineer
Android
iOS
Linux
MacOS
Go
🕒 January 13
CFO Consultant at Burkland providing financial guidance to cybersecurity startups. Supporting high-level finance needs and building robust financial systems in a remote-first environment.
Cyber Security
🕒 January 12
Security Engineer enhancing safety in a blockchain platform built for stablecoins and payments. Collaborating on security tooling and vulnerability assessments to protect the infrastructure.
🇺🇸 United States – Remote
⏰ Full Time
🟡 Mid-level
🟠 Senior
👮♂️ Cybersecurity / Security Engineer
🦅 H1B Visa Sponsor
Rust
🕒 January 9
Security Alignment Engineer safeguarding clients' IT infrastructure at Onsite Logic. Leading security alignment reviews and providing technical support to ensure robust security posture.
🇺🇸 United States – Remote
💵 $55k - $88k / year
⏰ Full Time
🟡 Mid-level
🟠 Senior
👮♂️ Cybersecurity / Security Engineer
Cyber Security
ServiceNow
🕒 January 9
Senior Product Manager responsible for defining and executing product strategy for security offerings at ClickHouse. Ensuring products are robust and reliable to meet evolving customer needs.