Attack path prioritisation
Ranked by explicit dimensions
Ranking combines five measured dimensions rather than one opaque score. Each dimension is shown so an analyst can disagree with the ordering on its own terms.
Attack path graph · INC-2471
Stale OAuth grant to ledger signing key
Future attack timeline · modelled, not observed
How the blast radius could expand
Now · Signing key already read
The grant has assumed the ledger service identity and read prod-secret-42. Three entities are confirmed in scope.
Sensitive assets in reach
1
Scenario likelihood
100%
Predictive analysis
What could happen next?
Current situation
A 214-day-old OAuth grant belonging to Mira Chen was refreshed from an unfamiliar network and used to assume svc-ledger-prod, which then read the payments signing key. Three hops are confirmed by telemetry; everything past the key is modelled, not observed.
Most likely next step
Forge a signed request to the payments API to confirm the key is still accepted
72%Estimated window · next 3–6 minutes
Alternative possible paths
Pivot east-west to ledger-primary over the open VPC tier
41%7–15 minutes
Mint a second service identity for persistence before acting
27%10–25 minutes
Stop after collection and idle to avoid detection
14%indefinite
Potential business impact
Unauthorised transaction signing at production scale, with settlement reversal costs and a likely payment-scheme notification if forged signatures reach the ledger.
Potential data exposure
Up to 2.4M customer records and the identity documents held in customer-vault, triggering regulated breach reporting.
Confidence
87% confidence in this assessment
High confidence on the confirmed hops (direct CloudTrail and IdP evidence); moderate confidence on progression, which relies on behavioural priors from similar grant-abuse cases.
Supporting evidence
- · 08:57 · Grant refresh from ASN not seen in 90 days of history
- · 08:58 · First AssumeRole by oauth-grant-7f2c in 214 days
- · 08:59 · prod-secret-42 read; prior read 41 days earlier
- · 09:00 · 1.4k control-plane events under the assumed role
- · Behavioural divergence 4.8σ from the identity's 30-day baseline
Predictions are modelled likelihoods from simulated telemetry. They are not confirmed outcomes and do not guarantee prevention.