What is the SentinelOne SIREN certification?

SIREN (SentinelOne IR Engineer) is a certification that validates a partner's or customer's ability to competently deploy and utilize SentinelOne's Singularity platform for incident response. Candidates must complete approximately 45 hours of SIREN training through SentinelOne University before sitting the CTF-style practical exam. The S1-302 exam tests hands-on IR skills including Deep Visibility querying, STAR rule creation, RemoteOps Forensics, and remediation workflows.

What format is the SIREN exam?

The SIREN exam is a CTF (Capture the Flag) style practical assessment. Unlike traditional MCQ certifications, it requires candidates to demonstrate practical skills using SentinelOne's Singularity platform in simulated incident response scenarios. This includes performing actual triage, creating STAR rules, running forensic queries, and executing remediation actions in a controlled environment.

Who should pursue the SIREN certification?

SIREN is designed for SentinelOne partners and customers in IR engineering, SOC analyst, or cybersecurity consultant roles who use the Singularity platform professionally. It is most valuable for engineers who regularly conduct incident response investigations, create STAR rules for automated detection, or perform endpoint forensics using Deep Visibility and RemoteOps tools.

How do I prepare for SIREN?

Complete the SIREN learning path through SentinelOne University (~45 hours). Practice writing Deep Visibility queries and building STAR rules in a Singularity environment. Study the Storyline correlation technology, Behavioral AI detection logic, RemoteOps Forensics capabilities, and the 1-Click Rollback remediation workflow. Use this practice bank to reinforce conceptual knowledge across all exam domains.

Is this practice exam like the real SIREN exam?

No — this is a knowledge-prep multiple-choice practice bank. The real SIREN exam is a practical CTF-style assessment where you must use the Singularity platform to investigate simulated incidents. This practice bank helps you understand the underlying concepts, platform features, and IR methodology. Use it alongside hands-on practice in a Singularity environment for full preparation.

What does the STAR acronym stand for in SentinelOne?

STAR stands for Storyline Active Response. It is SentinelOne's rules engine that converts Deep Visibility (Singularity Data Lake) queries into persistent automated detection and response rules. When a STAR rule matches inbound telemetry, it can trigger automated actions such as process kill, network quarantine, or alert generation — enabling autonomous threat response without manual analyst intervention.

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Question 1

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A SIREN candidate is asked to investigate a SentinelOne alert for a process that used 'process hollowing.' Which MITRE ATT&CK technique ID describes process hollowing?

T1027 — Obfuscated Files or Information

T1055.012 — Process Hollowing

T1134 — Access Token Manipulation

T1070.004 — File Deletion

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2026 Statistics

Key Facts: SIREN Exam

~45 hours

Required Training

SentinelOne University

CTF-Style

Exam Format

SentinelOne

100

STAR Rules (default)

SentinelOne Singularity Complete

14 days

Default EDR Retention

SentinelOne

365 days

Max EDR Retention

SentinelOne upgrade option

1-Click

Rollback Capability

SentinelOne Singularity

The SIREN (S1-302) is SentinelOne's IR Engineer certification, validating practical proficiency with the Singularity platform for incident response. Candidates must complete ~45 hours of SentinelOne University training before sitting the CTF-style practical exam. Core skills include Deep Visibility threat hunting, STAR automated response rule creation, RemoteOps Forensics artifact collection, and 1-Click Rollback remediation. This practice bank covers all domains with 100 knowledge-prep MCQs grounded in real Singularity features.

Sample SIREN Practice Questions

Try these sample questions to test your SIREN exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1In the SentinelOne Singularity platform, what does the Storyline feature primarily provide to incident responders?

A.An automated timeline that contextually links all related threat activities on an endpoint

B.A static file hash database for malware identification

C.A network packet capture tool for traffic analysis

D.A vulnerability scanner for unpatched OS components

Explanation: Storyline is SentinelOne's patented technology that automatically correlates and visualizes all threat-related process activities into a unified timeline. It surfaces contextual relationships between processes, files, registry changes, and network events, dramatically accelerating triage and root cause analysis during incident response.

2Which SentinelOne Singularity component enables analysts to remotely collect forensic artifacts such as memory dumps, browser history, and prefetch files from endpoints without deploying additional tools?

A.Deep Visibility

B.STAR Rules Engine

C.RemoteOps Forensics

D.WatchTower

Explanation: Singularity RemoteOps Forensics allows IR engineers to remotely query endpoints, collect forensic artifacts, and run scripted forensic actions entirely within the Singularity console. It supports on-demand evidence collection including memory dumps, registry hives, browser artifacts, and prefetch files without requiring physical access or additional third-party agents.

3A SIREN engineer needs to create a persistent automated detection rule that triggers a network quarantine action whenever a process spawns cmd.exe from a suspicious parent. Which Singularity feature should be used?

A.A STAR (Storyline Active Response) rule

B.RemoteOps script execution

C.A manual Deep Visibility query run on a schedule

D.A Singularity Marketplace integration webhook

Explanation: STAR (Storyline Active Response) rules convert Deep Visibility queries into persistent, automated detection rules that continuously monitor inbound telemetry. When a STAR rule matches, it can trigger automated response actions such as network quarantine, process kill, or alert generation — making it the correct tool for persistent behavioral enforcement.

4During a post-compromise investigation, an IR engineer discovers that ransomware encrypted hundreds of files. Which SentinelOne remediation action can restore those files to their pre-attack state without relying on a traditional backup solution?

A.1-Click Rollback using SentinelOne's Windows Volume Shadow Copy integration

B.Network isolation followed by a manual re-image

C.STAR rule creation to block future encryption events

D.RemoteOps forensic artifact collection of the encrypted files

Explanation: SentinelOne's patented 1-Click Rollback leverages Windows Volume Shadow Copy Service (VSS) to restore files modified or encrypted by ransomware to their pre-attack state. This automated surgical remediation capability significantly reduces MTTR and does not require traditional backup infrastructure.

5In SentinelOne's Deep Visibility, an analyst wants to find all PowerShell processes that established outbound connections to external IPs in the last 24 hours. Which query field combination is most relevant?

A.EventType = 'IP Connect' AND ProcessName = 'powershell.exe' AND DstIP NOT IN RFC1918 ranges

B.EventType = 'File Modification' AND ProcessName = 'powershell.exe'

C.ThreatClassification = 'Malicious' AND SrcPort = 443

D.EventType = 'Registry Modification' AND UserName CONTAINS 'SYSTEM'

Explanation: Deep Visibility queries use event-type filtering combined with process and network attributes. EventType 'IP Connect' captures outbound connection events; filtering on ProcessName 'powershell.exe' and excluding RFC 1918 private address ranges isolates external PowerShell connections, a common IOC for C2 communication.

6What is the maximum number of STAR rules a Singularity Complete customer is entitled to by default, and what is the overall hard limit per customer with add-on packs?

A.100 default, 1,000 maximum

B.50 default, 500 maximum

C.200 default, 2,000 maximum

D.Unlimited default with enterprise tier

Explanation: Singularity Complete customers are entitled to 100 STAR rules by default. Additional rules can be purchased in packs of 300 up to a maximum of 1,000 STAR rules per customer. Understanding these limits is important for planning automated detection coverage at scale.

7During a SIREN CTF exercise, you identify a Storyline ID associated with a suspicious process tree. What does the Storyline ID represent in SentinelOne?

A.A GUID that groups all related processes, file, registry, and network events within a single contextual attack chain

B.The unique hash of the initial malicious file detected on the endpoint

C.The MD5 hash of the threat actor's C2 domain

D.The agent version identifier used for rollback targeting

Explanation: A Storyline ID (GUID) is SentinelOne's mechanism for grouping all causally related events — processes, file I/O, registry modifications, and network connections — into a single contextual 'story.' This allows IR engineers to pivot across the full attack chain from a single identifier, replacing manual log correlation.

8An IR engineer wants to contain an actively compromised endpoint immediately while preserving the ability to continue remote forensic investigation. Which containment action should be applied?

A.Network Quarantine (Network Isolation) to block all external traffic while maintaining the management channel

B.Disconnect the agent from the SentinelOne management console

C.Uninstall the SentinelOne agent to stop malware communication

D.Delete the malicious threat and close the alert

Explanation: Network Quarantine (Network Isolation) in Singularity blocks all inbound and outbound network connections on the endpoint except the SentinelOne management channel. This contains lateral movement and C2 communication while preserving the IR engineer's ability to run RemoteOps commands and collect forensic artifacts remotely.

9Which SentinelOne detection engine analyzes file behavior as it executes in memory, identifying novel threats that have never been seen before without relying on signature databases?

A.Behavioral AI Engine

B.Static AI Engine

C.Cloud Reputation Engine

D.YARA Rule Scanner

Explanation: The Behavioral AI Engine continuously monitors all running processes and their actions in real time. It identifies malicious behaviors such as unusual memory access, process injection, privilege escalation, and API call sequences — detecting novel and zero-day threats without requiring prior signatures or cloud lookups.

10In the Singularity console, an analyst sees a threat classified as 'Suspicious.' What does this classification indicate compared to 'Malicious'?

A.The file has a known-bad hash in SentinelOne's threat intelligence database

B.The behavior matches a confirmed malware family with high confidence

C.The engine detected anomalous behavior or characteristics warranting investigation but confidence is below the malicious threshold

D.The endpoint has been fully remediated and no further action is required

Explanation: A 'Suspicious' classification indicates that SentinelOne's AI engines detected anomalous attributes or behaviors that deviate from normal baselines but do not reach the confidence threshold for a 'Malicious' verdict. IR engineers should investigate Suspicious alerts to determine whether they represent true threats or benign anomalies.

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