HackingTechnologyProfessional ServicesInformationVulnerability ExploitSupply Chain (3P Vendor)Employee Data InvolvedIdentity (basic)Government IDMediumContained

FORRESTER RESEARCH, INC.

bd_54c11916fe06cc59 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Jul 27, 2023

To disclose

—

Affected

Not disclosed

Confidence

66%

Full breach record for FORRESTER RESEARCH, INC. →3 incidents on file

Forrester Research notified employees that their data was accessed via a third-party supply chain compromise. The Hartford, an insurance vendor, uses Pension Benefit Information (PBI) for claims. PBI's MOVEit Transfer software was exploited by cybercriminals at the end of May 2023. Affected data includes name, date of birth, SSN, and state/zip code. No health information was accessed. The Hartford confirmed PBI remediated the vulnerability.

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Incident timeline

May 31, 2023

Begins

Jul 27, 2023

Filed

Part of Pension Benefit Information, LLC supply-chain incident (2023) — a supply-chain cascade affecting multiple organizations.View cascade →

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

Name: FORRESTER RESEARCH, INC.
norm: forrester research

Name: FORRESTER RESEARCH, INC.
norm: forrester research
Industry: TechnologyllmProfessional Servicesllm

Discovered: —
Breach occurred: May 31, 2023 – May 31, 2023
Materiality determined: —
Notification sent: Jul 27, 2023
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Data elements: Date of birth
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1195 Supply Chain Compromise
Threat actor: External
Initial access: supply_chain

During the incident: Working with The Hartford to ensure necessary precautionary measures to protect information moving forward
Confirming PBI had remediated the software vulnerability
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://ago.vermont.gov/document/2023-07-27-forrester-research-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 27, 2023
Raw hash: c4c97a958724d4ce27056db015a5650a83f6bea93503767b2ee092efec708108

Reporting entityFORRESTER RESEARCH, INC.

Victim entityFORRESTER RESEARCH, INC.

IncidentThird-Party / Supply Chain

Stated responseWorking with The Hartford to ensure necessary precautionary measures to protect information moving forward

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov