HackingProfessional ServicesProfessional ServicesVulnerability ExploitCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

Mediant Communications, LLC

bd_b1e8c5725e9a4440 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 1, 2019

Filed

May 28, 2019

To disclose

8 weeks

Affected

504state residents only

Linked

9 filings

Confidence

66%

Full breach record for Mediant Communications, LLC →

Mediant Communications Inc. disclosed that on April 1, 2019, an unknown malicious party exploited a vulnerability in third-party email software to gain unauthorized access to four business email accounts. The company disconnected the server immediately. Investigation revealed that personal information of 504 New Hampshire residents, including names, addresses, SSNs, and financial account numbers, was accessed. Mediant offered two years of credit monitoring and implemented security enhancements.

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Incident timeline

discovery → filing · 8 weeks / 57 days

Apr 1, 2019

Begins

Apr 1, 2019

Discovered

May 28, 2019

Filed

vs. sector median

11 wks faster

This filing is one of 9 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (8) · sorted by filing gap

California State AGbd_049c952e85b4826a2019-05-28Verified
Massachusetts State AGbd_080ddf5dce6168ae2019-05-28Verified
Washington State AGbd_5318645d13786fb22019-05-28Candidate
Oregon State AGbd_d1a9c1abb5ef26c62019-05-28Verified

Show 4 more filings ↓up to 16d gap

South Carolina State AGbd_10fc27c51bae04a52019-05-31 · +3dVerified
Delaware State AGbd_1512624e5ae85d132019-05-31 · +3dVerified
Montana State AGbd_53318a9ba4214cdc2019-05-31 · +3dVerified
Hawaii State AGbd_24f3420b08bb89c72019-06-13 · +16dVerified

Name: Mediant Communications, LLC
norm: mediant communications

Name: Mediant Communications, LLC
norm: mediant communications
Industry: Professional Servicesllm

Discovered: Apr 1, 2019
Breach occurred: Apr 1, 2019
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 31, 2019
Affected individuals: 504state-resident count only
Data types: Identity (basic)Government IDFinancial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1114 Email Collection
Threat actor: External
Regulator citations: Reported the matter to law enforcement
Initial access: exploit_public_facing

During the incident: Disconnected the affected email server from its system
Commenced an investigation to understand the nature and scope of the incident
Reported the matter to law enforcement
Remediating the vulnerability in the current email system
Implementing targeted network access restrictions
Updating network monitoring systems
Requiring affected employees to change their passwords
Accelerating planned improvements to its email system
Reviewing its written information security program
Changes made: Remediating the vulnerability in the current email system
Implementing targeted network access restrictions
Updating network monitoring systems
Requiring affected employees to change their passwords
Accelerating planned improvements to its email system
Reviewing its written information security program
Offering credit monitoring and identity repair services available to them at no cost for two years
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(57 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 9 filings · 9 states

View merged incident ↗

California State AGMay 28 · first

Massachusetts State AGMay 28 · first

Washington State AGMay 28 · first

Oregon State AGMay 28 · first

New Hampshire State AGMay 28 · first · this page

South Carolina State AG+3d

Delaware State AG+3d

Montana State AG+3d

Hawaii State AG+16d

Pattern: first filing May 28 (CA), last Jun 13 (HI) — a 16-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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://mm.nh.gov/files/uploads/doj/remote-docs/mediant-communications-20190528.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 28, 2019
Raw hash: 9771472ca0b62457fae71caaa370893dfc368e53c17b0ced61c5935615df4188

Linked disclosures

Regulatory filings (8) · sorted by filing gap

Reporting entityMediant Communications, LLC

Victim entityMediant Communications, LLC

Incidentdiscovered Apr 1, 2019

Stated responseDisconnected the affected email server from its system

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov