Primary definition
an attack tool designed to take down a server by flooding it with incomplete HTTP requests, without using much of bandwidth
Also known asSlowloris · Slow Loris · slowloris attack · Slowloris DoS · Slowloris DDoS · Slowloris HTTP DoS · Slowloris tool · Slowloris.py · Slowloris Perl script
1 sources cited4 related termsReviewed Aug 10, 2026
— NICCS GlossaryView source
Understand more election terms clearly
Get one important election term explained each week, with authoritative sources, practical context and related definitions.
Free. One useful email each week. Unsubscribe anytime.Learn more about the ESG newsletter →
NICCS
an attack tool designed to take down a server by flooding it with incomplete HTTP requests, without using much of bandwidth
NICCS Glossary · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Slowloris. In Election Security Glossary. Retrieved August 22, 2026, from https://electionsecurityglossary.com/glossary/slowloris
Sources
1 cited · last checked Aug 10, 2026
01
NICCS Glossary
NICCS Glossary
Single-source
Get the weekly election term
Receive one cited, source-backed election explanation in your inbox each week.
Get election terms explained weekly →
Free · Nonpartisan · Unsubscribe anytime.