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Newly Broadly Reachable

It represents a domain that receives links from a large number of distinct sources (high harmonic centrality) but whose linking sources are not authoritative enough to push it into the mainstream popularity tier (mid PageRank). Typical examples are legitimate SMBs, regional services, or niche communities that have grown organic backlinks without large-publisher coverage. Treated as a safe rescue signal.

Also surfaces as:
Consistently Broadly Reachable
Analyst Q&A

What this signal answers

The questions every analyst asks before acting on this signal.

What it detects01

What does 'Broadly Reachable Domain' mean in SOC analysis?

It represents a domain that receives links from a large number of distinct sources (high harmonic centrality) but whose linking sources are not authoritative enough to push it into the mainstream popularity tier (mid PageRank). Typical examples are legitimate SMBs, regional services, or niche communities that have grown organic backlinks without large-publisher coverage. Treated as a safe rescue signal.

Why it matters02

What is the difference between Transient and Persistent broad reach?

Transient means the domain only entered the broad-reach zone in the most recent period; the pattern is short-lived and weaker as a rescue signal. Persistent means the domain has stayed in the broad-reach zone for at least persistent_min_count consecutive periods, indicating a stable structural pattern and a higher-confidence safe verdict.

How analysts use it03

How does broad_reach differ from global_popularity?

global_popularity captures domains that are popular by authority-weighted reachability (PageRank head). broad_reach captures domains that are widely reachable but not yet authority-endorsed, a complementary safe signal that prevents legitimate-but-tail domains from being misclassified.

Worth knowing04

When is broad_reach not set even if the trigger matches?

If bad_popularity is already matched for the same domain, broad_reach is skipped (guard). This avoids overlap with the bad_popularity weak/poor sublabels and keeps the safe signal restricted to the strictly mid-tail PR zone.

Evidence shape

What Newly Broadly Reachable 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": "broad_reach",
  "name": "Newly Broadly Reachable",
  "group": "popularity_and_backlink",
  "subgroup": "popularity_score",
  "direction": "safe",
  "evidence": {
    "tranco_rank": 482103,
    "tranco_rank_band": "100k-1m",
    "organic_traffic_band": "low",
    "regional_rank_top_country": "US"
  }
}
See in API reference
Siblings

Peers in Popularity Score

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

Emerging Link Farm Pattern

A domain that is reachable from many distinct sources (high harmonic centrality) yet none of those sources carry meaning

Malicious
Newly Niche-Authoritative

A domain that is referenced by a small number of sources (mid or tail harmonic centrality) but those sources carry stron

Safe
Recently Isolated Domain

A domain whose harmonic centrality places it in the deep tail (very few distinct sources link to it) while PageRank is a

Malicious
High-Reputation Domain

It refers to globally recognized, high-traffic domains with verified ownership and a long operational history, such as g

SafeCore
Show 5 more in Popularity Score

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