Patents
US 12719924 B2: Systems and methods for mitigating denial of service attacks
- Granted
- 2026-08-25
- Filed
- 2023-04-25 application 18306795
- Type
- Utility · 16 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Examples of the present disclosure are directed to systems and methods for using router identifier information to mitigate denial of service attacks in an autonomous system (AS). Each router of the AS may be assigned a router identifier (ID) that is unique to the AS and may be periodically changed. The ingress router first receiving the packet within a particular AS may insert its router ID into the packet. A threat intelligence system may sample packets of traffic received by the AS and examine the inserted ingress router IDs in making a threat determination. If a distribution of detected ingress router IDs from sampled packets does not match an expected distribution of ingress router IDs, one or more threat mitigation actions may be invoked.
Source: PTBLXML, file of 2026-08-25 (ipgb20260825.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| CenturyLink Intellectual Property LLC 1,025 patents | US company or organization | Denver, CO | PTBLXML, file of 2026-08-25 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Dean Ballew | Sterling, VA | 48 | PTBLXML, file of 2026-08-25 | |
| John R.B. Woodworth | Amissville, VA | 47 | PTBLXML, file of 2026-08-25 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| H04L | Transmission of digital information, e.g. telegraphic communication | H04L63/1458 | PTBLXML, file of 2026-08-25 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
No recorded assignments or security interests on file for this patent.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.