The Impact Team is the name used by the still-unidentified threat actor responsible for the 2015 compromise of Ashley Madison, the adultery-focused dating service operated by Avid Life Media. The actor is best known for stealing and publicly releasing large volumes of highly sensitive customer and corporate data after demanding that Ashley Madison and related services be shut down. Publicly attributed aliases include Impact Team and The Impact Team. The operation combined unauthorized access to internal systems with large-scale data theft and coercive public disclosure. Material attributed to the actor included customer databases, profile information, email addresses, password-related data, source code repositories, internal emails, financial records, and internal corporate documentation. Reporting also tied the leak to exposure of Windows domain password material and other internal enterprise data, indicating compromise beyond a single application database and extending into broader corporate infrastructure. The actor demonstrated capabilities associated with initial access, post-exploitation, credential theft, exfiltration, and extortion. Evidence linked to the leak indicates access to internal databases and source code management systems, collection and packaging of stolen data, and staged public release through anonymity infrastructure. The actor used signed releases and dark-web distribution channels to authenticate and disseminate the stolen material, and paired the leak with demands intended to force business decisions by the victim organization. The campaign is notable as a prominent early example of coercive data-leak extortion centered on reputational harm rather than ransomware encryption. The victim set directly evidenced here centers on Ashley Madison and its parent company in Canada. The consequences of the operation were amplified by the sensitivity of the stolen data, which exposed intimate user information and created substantial risks of blackmail, harassment, phishing, and reputational damage. The perpetrators have not been publicly identified with high confidence, and no reliable state affiliation is established from the available facts.
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Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.
Sectors the actor has been observed targeting.
Geographies tied to known operations.
11 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
42 indicators attributed to this actor: domains, IPs, hashes, and other artifacts pulled from reporting. View more in app.
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Conducted the Ashley Madison breach and extortion campaign, stealing and publishing customer data, source code, financial records, and emails after demanding the shutdown of Ashley Madison and related sites.
Conducted the Ashley Madison breach and leaked customer data along with source code repositories.
Known in this content for leaking the Ashley Madison user database in 2015, exposing sensitive user information from an intimate online service.
Conducted the hack of Ashley Madison, stole customer data, and threatened to release customer records unless the site was shut down.
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Every observed MITRE ATT&CK technique, grouped by tactic.
Families this actor is known to deploy, with IOCs and behavior.
CVEs this actor has used in known campaigns.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Domains, IPs, and hashes tied to this actor, refreshed continuously.