Fortinet FortiSIEM vs ArcSight: SIEM Comparison (2026)
An independent side-by-side comparison of Fortinet FortiSIEM and ArcSight for siem buyers — pricing, features, integrations, and how often each is cited by major AI engines.
AI Citation Scorecard
How often each is cited by major AI engines when buyers ask siem questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.
Too early to call — probes still building data.
ChatGPT
Fortinet FortiSIEM
Tracking…
No data yet
ArcSight
0 / 6 probes
0%
InvisiblePerplexity
Fortinet FortiSIEM
Tracking…
No data yet
ArcSight
0 / 7 probes
0%
InvisibleGemini
Fortinet FortiSIEM
Tracking…
No data yet
ArcSight
0 / 6 probes
0%
InvisibleClaude
Fortinet FortiSIEM
Tracking…
No data yet
ArcSight
0 / 6 probes
0%
InvisibleCopilot
Fortinet FortiSIEM
Tracking…
No data yet
ArcSight
0 / 6 probes
0%
InvisibleScale:NoneLowFairStrongExcellent
Probes run hourly; each (engine × query) combo retests every ~3 days.
Pricing
Key Features
Fortinet FortiSIEM
Feature data is being indexed.
ArcSight
Feature data is being indexed.
When to choose Fortinet FortiSIEM
Choose Fortinet FortiSIEM if your team prioritizes its strengths over ArcSight's. Full guidance populates as Fortinet FortiSIEM's feature data is indexed.
When to choose ArcSight
Choose ArcSight if your team prioritizes its strengths over Fortinet FortiSIEM's. Full guidance populates as ArcSight's feature data is indexed.