Skip to content
NewVerdictIQ Connector is here. One Docker image enriches your DNS logs with verdicts inside your network and forwards them to your SIEM.Install guide

Weak or Misconfigured Security Headers

It indicates missing, weak, contradictory, or overly permissive security headers (such as CSP, HSTS, X-Frame-Options, Permissions-Policy) that increase attack surface and are commonly observed in poorly maintained or auto-generated web setups.

Analyst Q&A

What this signal answers

The questions every analyst asks before acting on this signal.

What it detects01

What does 'Weak or Misconfigured Security Headers' indicate?

It indicates missing, weak, contradictory, or overly permissive security headers (such as CSP, HSTS, X-Frame-Options, Permissions-Policy) that increase attack surface and are commonly observed in poorly maintained or auto-generated web setups.

Why it matters02

How should SOC analysts interpret this label?

This is a supporting malicious-context signal with a single tier. On its own it reflects weak hardening rather than proven abuse; it gains weight when correlated with risky cookie behavior, redirector chains or DNS volatility.

Often paired with:block_domain
Evidence shape

What Weak or Misconfigured Security Headers looks like in the response

A realistic shape of the entry the engine appends to the risk_signals array when this signal fires. Evidence keys are subgroup-default; per-signal overrides documented in the API reference.

json
{
  "slug": "http_security_header_anomaly",
  "name": "Weak or Misconfigured Security Headers",
  "group": "http_crawling_history",
  "subgroup": "http_header_behaviors",
  "direction": "malicious",
  "evidence": {
    "missing_security_headers": 4,
    "cors_origin": "*",
    "cors_credentials_allowed": true,
    "provider_type": "self_hosted",
    "risky_cookie_count": 2
  }
}
See in API reference
Siblings

Peers in HTTP Header Behaviors

12 other signals share the same subgroup. They detect related behaviors and often co-fire on the same IOC.

Suspicious CORS Exposure

It indicates weak or overly permissive CORS configurations such as wildcard origins, broad method or header allowances, …

MaliciousCore
Basic Profiling Cookie Risk

It indicates that the site sets cookies issued by specific edge protection providers whose cookies appear far more often…

MaliciousCore
Suspicious Header Structure

It indicates abnormal HTTP header structures such as unusually minimal or dense header sets, odd ordering, unexpected pr…

MaliciousCore
Suspicious Redirector Behavior

It indicates abnormal HTTP redirection patterns such as instant refresh redirects, header-based redirects, forced interm…

MaliciousCore
Show 8 more in HTTP Header Behaviors
In the wild

See Weak or Misconfigured Security Headers fire on real IOCs

The Verdict Gallery is a curated stream of real verdicts. Filter by this signal to see exactly which IOCs it caught, what other signals fired alongside it, and what the engine recommended.

Open Verdict Gallery
Pre-filtered to Weak or Misconfigured Security Headers. See real IOCs this signal caught and the verdicts the engine returned.
Verdicts ✓

Start free, in five minutes

1,000 verdicts/month on the free tier, LLM layer included. No card required.