Security Researcher Ii

5 days ago


Bengaluru, India Zscaler Full time

Company Description

With more than 10 years of experience developing, operating, and scaling the cloud, Zscaler serves thousands of enterprise customers around the world, including 450 of the Forbes Global 2000 organizations. In addition to protecting customers from damaging threats, such as ransomware and data exfiltration, it helps them slash costs, reduce complexity, and improve the user experience by eliminating stacks of latency-creating gateway appliances.

**Job Description**:
The **Sr. Security Researcher - Threat Hunting** will report to the Manager Internal Security. The Security Researcher will be primarily responsible for proactively hunting threats, blue teaming, performing exploit and vulnerability research, all in order to find and close holes exploited by bad actors.

**Responsibilities/What You’ll Do**:

- Perform event correlation analysis using data gathered from a variety of sources to detect and confirm attacks
- Provide timely detection and alerting of possible attacks and intrusions
- Analyze activity to identify weaknesses that were exploited and perform root cause analysis
- Proactively hunting threats, blue teaming, performing exploit and vulnerability research, all in order to find and close holes exploited by bad actors
- Malware, exploits and infection chain (kill-chain) research to ensure detection
- Write blog posts and whitepapers related to advanced threat analysis
- Write threat hunting signatures to discover new instances in Zscaler cloud and OSINT
- Work on internal automation projects and build tools to aid in threat hunting activities
- Continuously review security bulletins and related news; stay apprised of current threats and trends

**Qualifications**:

- Must have 3+ years of hands-on experience in a Security Information and Event Management tool, such as Splunk, ElasticSearch.
- Must have Hands-on Threat Hunting experience
- Strong understanding of tools, tactics and procedures (TTPs) of threats actors (eCrime/APT)
- Experience in Incident Analysis and Response using industry standard frameworks such as MITRE ATT&CK and the Cyber Kill Chain
- Experience with Malware analysis - Dynamic & Static, Tools like - IDA Pro, Ollydbg, Wireshark etc.
- Must be able to validate findings, perform root cause analysis, and deliver recommendations for fixes
- Strong scripting and automation skills are must (Python preferable)
- Must have excellent reporting and analytical skills.
- Experience writing IDS/IPS, YARA signatures

Additional Information

LI-JS5

**Why Zscaler?**

People who excel at Zscaler are smart, motivated and share our values. Ask yourself: Do you want to team with the best talent in the industry? Do you want to work on disruptive technology? Do you thrive in a fluid work environment? Do you appreciate a company culture that enables individual and group success and celebrates achievement? If you said yes, we’d love to talk to you about joining our award-winning team.

Zscaler is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.



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