Senior Web Security Researcher

Sorry, this job was removed at 04:11 p.m. (CST) on Thursday, Jun 12, 2025
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Tel Aviv, ISR
Hybrid
AdTech • Cloud • Information Technology • Machine Learning • Security • Software • Cybersecurity
We safeguard 1,200+ brands from digital attacks including bots, fraud and account abuse with Modern Defense.
The Role
The Research team at HUMAN takes on the immense challenge of identifying and stopping malicious activity across vast streams of traffic. By crafting innovative solutions, we empower our products to make trillions of decisions every day with unparalleled precision. Our work directly impacts the safety of the internet and ensures that HUMAN remains the best-in-class solution for our customers, standing strong against the ever-evolving tactics of attackers.
We’re looking for a Senior Web Security Researcher to be part of a team of highly skilled professionals that include security researchers, data researchers, data scientists and software engineers who continuously hunt for threats, evaluate and develop new detection techniques, and share intel and attribution for cybercrime activity with the goal of protecting our customers while keeping the internet human.

What you'll do:

  • Play a lot with the web-browsers, trying to find differences in behavior between them.
  • Research and develop signal collection on both mobile and desktop, which enables detection and improve our protection
  • Find ways to detect automation, for example, tools like Selenium, Playwright or Puppeteer.
  • Understand customer specific requirements, deliver with impact and exceed customer expectations.
  • Discover adversary tactics, techniques, and procedures leveraged by bots.
  • Create and validate data insights to enhance detection excellence.
  • Share security research topics through blogs, research talks, knowledge base and external engagements including conference presentations, detailing your discoveries for internal and external sharing.
  • Find bad stuff on the internet, see if you can figure out how it is done, document it.
  • Red team, experiment, and develop new tactics for various kinds of fraud and to bypass our detection, no need to wait for an attack to be discovered and used by adversaries first.
  • Stay abreast of cyber security trends and events related to our mission.
  • Contribute high impact work that substantially benefits team level metrics and OKRs.
  • Develop techniques, tools and scripts to simplify yours and others work.

Who you are:

  • B.sc in computer science or equivalent experience (technological unit alumni etc.)
  • Expertise in web architecture and protocols (DOM, Javascript, HTTP/HTTPS, IPv4/v6 etc.)
  • Understanding of the cybersecurity threat landscape.
  • 3 years+ of proven Cyber Security Research experience.
  • Good English (Reading and Writing).
  • Proven experience in scripting languages (Python and JavaScript).
  • Decent experience in data analysis and relevant languages (SQL, Python). 
  • Motivated, independent, and passionate about finding the bad guys.
  • Ability to motivate and lead those around you by your own contribution, professionalism, and teamwork.

  • Nice to have:
  • Hands-on experience with data analysis of large and complex data sets (data manipulation, statistical analysis, Conclusions, etc.) - Great advantage.
  • Experience with threats created by bots / Creating automated web-related tools.
  • Reversing capabilities.
  • Experience with publishing technical blogs/speaking at conferences.

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The Company
HQ: New York, NY
393 Employees
Year Founded: 2012

What We Do

We stop bot attacks. Today’s sophisticated bots impersonate human behavior to evade detection technologies. To defeat today's bots, we use a unique multilayered approach that enables us to verify the humanity of digital interactions with unmatched speed and accuracy across Applications, Performance Marketing, and Advertising use cases.

Why Work With Us

Fighting cybercrime is not easy. We’re constantly pitted against well-funded and highly-skilled hackers and botnets. In order for us to stay ahead of our adversaries, we solve problems unconventionally, move fast, and create ‘tau’ for each other to stop them. If our mission to keep the internet human appeals to you, we should talk.

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