Skip to content
NewA calmer, faster ZeroHour
Researchmedium

JANUS: Denial-of-Service Attack Against Beam Hopping in LEO Satellite Networks

arXiv cs.CRby Yuval Aviv ()1 min read3 · 1 read
Read at arxiv.org
AI summary · glm-5.3-flashSummaries by Vani AI

Researchers present JANUS, a botnet-driven attack that manipulates beam-hopping schedulers in LEO satellite networks, denying service to up to 95% of victims.

JANUS is a targeted denial-of-service attack against beam-hopping systems in LEO satellite networks, exploiting the scheduler's reliance on observed traffic demand. A small botnet of compromised terminals injects legitimate-looking traffic into non-victim cells, distorting demand estimates and redirecting beams away from the victim area. Against a rank-based KMAX scheduler, JANUS achieves complete service denial for up to ~95% of evaluated victims; against a DRL scheduler, it excludes the victim from ~92% of scheduling decisions. The authors also propose mitigation strategies that reduce attack effectiveness.

Key facts
  • Compromised satellite terminals inflate demand in non-victim cells to manipulate beam allocation.
  • Against KMAX scheduler, complete service denial achieved for ~95% of evaluated victims.
  • DRL scheduler still excluded victims from ~92% of scheduling decisions.
  • Attack evaluated across schedulers, horizons, and attacker-knowledge settings; mitigations proposed.
Analyze this story with Vani AIImpact, who is affected and what defenders should do, in a new chat
ATT&CK
T1498.001 Direct Network FloodT1584.005 Botnet
Tags
beam-hoppingbotnetdenial-of-serviceleo-satellitesresearchscheduling
Organizations
],other_names_canonicals_name_list_placeholder_i,tool_names_placeholder__REMOVE_BEFORE_RETURNINGcanon_placeholder_i,

From the original article

1 min read at arxiv.org

Low Earth orbit (LEO) satellite networks are increasingly used to provide global connectivity. However, each satellite has limited resources that need to be allocated according to demand, which varies geographically and over time. Beam hopping addresses this challenge by dividing a satellite's service area into geographic cells.

arXiv cs.CR

By Yuval Aviv · arxiv.org

Read the full article at arXiv cs.CR

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.