CampaignHuman reviewed 2026-08-26 · CISA advisory

Scattered Spider Social Engineering

SMS/vishing-based credential theft at scale

QUICK ANSWER

Scattered Spider is a social-engineering campaign conducting SMS/vishing-based credential theft at scale, including SSO-related MFA bypass documented in April 2022 and the 2023 MGM/Caesar intrusions. Relevant because it abuses identity rather than vulnerability exploitation. (Source: CISA advisory)

Definition

SMS/vishing-based credential theft at scale

Why It Matters / Impact

SMS/vishing-based credential theft at scale

Current Status

  • Review status: published
  • Last updated: 2026-08-26
  • Evidence: 2 source(s) · 0 CVE(s) linked
  • Confidence: 85%

Threat Actors

Timeline

  1. 2022-04 — SSO-related MFA bypass
  2. 2023-08 — MGM/Caesar intrusions attributed

Sources

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  1. Question — what do you need to know about Scattered Spider Social Engineering?
  2. Evidence — assertions mapped to verifiable references.
  3. Timeline — events in chronological order.
  4. Related Entities — CVE, threat actor, campaign, malware links.
  5. Sources — NVD, CISA KEV, MITRE ATT&CK, vendor advisories.
  6. Notes — your own observations and working hypotheses.

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