Source note · SIP scanning and telephony denial of service
The FBI PSA names hacktivism, financial extortion and harassment as motives behind TDoS attacks on emergency call centers.
Checked 2026-09-25
- Vendor
- n
- Product
- n
- Subsystem
- Threat actors
- Deployment
- any
- Region
- us
- Release range
- advisory dated 2021-02-17
- Checked
- 2026-09-25
Sources
- Telephony Denial of Service Attacks Can Disrupt Emergency Call Center Operations — Federal Bureau of Investigation, Internet Crime Complaint Center · tier 1 standards and regulators · PSA I-021721-PSA, threat section
Cite this note
APA
WarmTransfer. (2026, September 25). SIP scanning and telephony denial of service: source note sip-scanning-tdos-ic3-motives. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-scanning-tdos-ic3-motives
BibTeX
@misc{warmtransfer-claim-sip-scanning-tdos-ic3-motives,
title = {SIP scanning and telephony denial of service: source note sip-scanning-tdos-ic3-motives},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-scanning-tdos-ic3-motives},
note = {Source note sip-scanning-tdos-ic3-motives, checked 2026-09-25}
}