Cyber Incident Victim: VoIPtalk
Date:
Sep 2016
Location:
United Kingdom
Summary
A London-based telephony provider experienced suspicious external activity potentially exploiting infrastructure vulnerabilities, prompting precautionary customer password resets and network monitoring. The firm detected attempts to obtain customer data but found no evidence of account misuse, restricting call access to UK and common international destinations while blacklisting others. Additional security measures were planned following a brief website outage, with investigations ongoing into the breach method and scope, though initial analysis suggested no server compromise occurred.
| CIA Posture | Motives | Tactics, Techniques & Procedures |
|---|---|---|
| Available to members | 2 motives | 2 techniques |
| Threat Actors | Type | Location |
|---|---|---|
| 0 actors | Available to members | Available to members |
Description
In early September 2016, London-based telephony provider VoIPtalk detected suspicious external online activity targeting its network infrastructure. The company's security and fraud monitoring systems identified attempts to exploit vulnerabilities in its systems to obtain customer data, prompting an immediate investigation. Over the weekend of September 9-11, VoIPtalk began discreetly notifying customers about the potential breach through direct communications, though the exact nature and scope of the intrusion remained unclear at initial detection. A customer forum post revealed the company had issued recommendations including mandatory password resets for all VoIP/SIP accounts as a precautionary measure, operating under the assumption that credentials may have been compromised. VoIPtalk restricted calling capabilities during this period, allowing only UK and select common international destinations while blacklisting others to limit potential abuse. The firm emphasized no evidence of actual fraudulent account usage or data misuse had been found at the time of notification.
VoIPtalk implemented active network monitoring and vulnerability analysis to identify potential entry points used in the attack, while maintaining that server compromise did not occur based on preliminary findings. On September 12, the company's website experienced brief unreachability, though no direct connection to the security incident was established. As part of containment measures, VoIPtalk announced plans to deploy additional security protections in subsequent days to safeguard customer data. The investigation remained ongoing with no public disclosure of specific attacker methodologies or confirmed data exfiltration. Customer communications stressed the password reset and call restrictions were purely preventive actions given the detected exploitation attempts against infrastructure vulnerabilities.