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ATTAQUE DENI SERVICE [6 records]
Record 1 - internal organization data 2026-03-23
Record 1, English
Record 1, Subject field(s)
- IT Security
Record 1, Main entry term, English
- distributed denial-of-service attack
1, record 1, English, distributed%20denial%2Dof%2Dservice%20attack
correct, noun
Record 1, Abbreviations, English
Record 1, Synonyms, English
- DDoS attack 2, record 1, English, DDoS%20attack
correct, noun
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
An attack in which multiple compromised systems are used to attack a single target. 3, record 1, English, - distributed%20denial%2Dof%2Dservice%20attack
Record number: 1, Textual support number: 1 OBS
The flood of incoming messages to the target system forces it to shut down and denies service to legitimate users. 3, record 1, English, - distributed%20denial%2Dof%2Dservice%20attack
Record 1, French
Record 1, Domaine(s)
- Sécurité des TI
Record 1, Main entry term, French
- attaque par déni de service distribué
1, record 1, French, attaque%20par%20d%C3%A9ni%20de%20service%20distribu%C3%A9
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- attaque par refus de service distribué 2, record 1, French, attaque%20par%20refus%20de%20service%20distribu%C3%A9
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Attaque par laquelle une multitude de systèmes compromis visent une même cible. 3, record 1, French, - attaque%20par%20d%C3%A9ni%20de%20service%20distribu%C3%A9
Record number: 1, Textual support number: 1 OBS
Le flux de messages envoyés est tel qu’il provoque une panne du système ciblé et l’interruption des services offerts aux utilisateurs légitimes. 3, record 1, French, - attaque%20par%20d%C3%A9ni%20de%20service%20distribu%C3%A9
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2026-03-23
Record 2, English
Record 2, Subject field(s)
- IT Security
Record 2, Main entry term, English
- denial-of-service attack
1, record 2, English, denial%2Dof%2Dservice%20attack
correct, noun
Record 2, Abbreviations, English
Record 2, Synonyms, English
- DoS attack 2, record 2, English, DoS%20attack
correct, noun
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
[An attack] that makes a service unavailable for use by legitimate users, or that delays system operations and functions. 3, record 2, English, - denial%2Dof%2Dservice%20attack
Record number: 2, Textual support number: 1 CONT
A denial-of-service (DoS) attack is a type of cyber attack in which a malicious actor aims to render a computer or other device unavailable to its intended users by interrupting the device's normal functioning. DoS attacks typically function by overwhelming or flooding a targeted machine with requests until normal traffic is unable to be processed, resulting in denial-of-service to addition users. A DoS attack is characterized by using a single computer to launch the attack. 2, record 2, English, - denial%2Dof%2Dservice%20attack
Record 2, Key term(s)
- denial of service attack
Record 2, French
Record 2, Domaine(s)
- Sécurité des TI
Record 2, Main entry term, French
- attaque par déni de service
1, record 2, French, attaque%20par%20d%C3%A9ni%20de%20service
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- attaque par refus de service 2, record 2, French, attaque%20par%20refus%20de%20service
correct, feminine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
[Attaque qui] consiste d’une activité visant à rendre un service inutilisable ou à ralentir l’exploitation et les fonctions d’un système donné. 3, record 2, French, - attaque%20par%20d%C3%A9ni%20de%20service
Record number: 2, Textual support number: 1 CONT
Une attaque par déni de service(DoS) est un type de cyberattaque dans lequel un acteur malveillant vise à rendre un ordinateur ou un autre appareil indisponible pour ses utilisateurs prévus en interrompant le fonctionnement normal de l'appareil. Les attaques DoS fonctionnent généralement en submergeant ou en saturant une machine ciblée de requêtes jusqu'à ce que le trafic normal ne puisse plus être traité, ce qui entraîne un déni de service pour les utilisateurs supplémentaires. Une attaque DoS se caractérise par l'utilisation d’un seul ordinateur pour lancer l'attaque. 4, record 2, French, - attaque%20par%20d%C3%A9ni%20de%20service
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2026-03-23
Record 3, English
Record 3, Subject field(s)
- IT Security
Record 3, Main entry term, English
- IP fragmentation attack
1, record 3, English, IP%20fragmentation%20attack
correct, noun
Record 3, Abbreviations, English
Record 3, Synonyms, English
- fragmentation attack 2, record 3, English, fragmentation%20attack
correct, noun
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
IP fragmentation attacks are a type of cyber attack that exploit how IP packets are fragmented and reassembled to evade security controls and launch attacks. Attackers manipulate fragmented packet parameters like offsets and sizes to trigger vulnerabilities or bypass firewall rules. 3, record 3, English, - IP%20fragmentation%20attack
Record number: 3, Textual support number: 1 OBS
IP: Internet Protocol. 4, record 3, English, - IP%20fragmentation%20attack
Record 3, French
Record 3, Domaine(s)
- Sécurité des TI
Record 3, Main entry term, French
- attaque par fragmentation IP
1, record 3, French, attaque%20par%20fragmentation%20IP
correct, feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
- attaque par fragmentation 2, record 3, French, attaque%20par%20fragmentation
correct, feminine noun
Record 3, Textual support, French
Record number: 3, Textual support number: 1 CONT
Attaque par fragmentation IP : une forme d’attaque DoS [déni de service] dans laquelle un attaquant tente d’utiliser toute la bande passante du réseau en exploitant le mécanisme de fragmentation IP. 1, record 3, French, - attaque%20par%20fragmentation%20IP
Record number: 3, Textual support number: 1 OBS
IP : Protocole Internet. 3, record 3, French, - attaque%20par%20fragmentation%20IP
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2025-11-28
Record 4, English
Record 4, Subject field(s)
- IT Security
Record 4, Main entry term, English
- stateful protocol analysis
1, record 4, English, stateful%20protocol%20analysis
correct, noun
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 CONT
Stateful protocol analysis focuses on protocol behaviour—for example, it might identify a distributed denial-of-service (DDoS) attack by detecting a single IP [Internet protocol] address making many simultaneous TCP [transmission control protocol] connection requests in a short period. 2, record 4, English, - stateful%20protocol%20analysis
Record 4, French
Record 4, Domaine(s)
- Sécurité des TI
Record 4, Main entry term, French
- analyse de protocole avec état
1, record 4, French, analyse%20de%20protocole%20avec%20%C3%A9tat
correct, feminine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 CONT
L'analyse de protocole avec état se concentre sur le comportement du protocole—par exemple, elle peut identifier une attaque par déni de service distribué(DDoS) en détectant une adresse IP [protocole Internet] unique effectuant de nombreuses demandes de connexion TCP [protocole de contrôle de transmission] simultanées dans un court laps de temps. 2, record 4, French, - analyse%20de%20protocole%20avec%20%C3%A9tat
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 2024-07-29
Record 5, English
Record 5, Subject field(s)
- IT Security
Record 5, Main entry term, English
- flooding attack
1, record 5, English, flooding%20attack
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
- flooding 2, record 5, English, flooding
correct
Record 5, Textual support, English
Record number: 5, Textual support number: 1 CONT
Flooding attacks are the most common form of [denial of service (DoS)], where the threat actor repeatedly sends requests to connect to the target server but does not complete the connections. These incomplete connections occupy and consume all available server resources. As a result, the server cannot respond to legitimate traffic and connection attempts. 1, record 5, English, - flooding%20attack
Record 5, French
Record 5, Domaine(s)
- Sécurité des TI
Record 5, Main entry term, French
- attaque par inondation
1, record 5, French, attaque%20par%20inondation
correct, feminine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
- inondation 2, record 5, French, inondation
correct, feminine noun
Record 5, Textual support, French
Record number: 5, Textual support number: 1 CONT
Une attaque par inondation est la forme la plus courante de déni de service. Elle se produit lorsqu'un auteur de menace envoie à répétition des demandes de connexion au serveur ciblé, mais qu'il ne parvient pas à établir la connexion. Ces procédures de connexion incomplètes occupent et consomment toutes les ressources disponibles du serveur. Ainsi, le serveur ne parvient plus à traiter ni le trafic ni les demandes de connexion légitimes. 1, record 5, French, - attaque%20par%20inondation
Record 5, Spanish
Record 5, Textual support, Spanish
Record 6 - internal organization data 2021-02-25
Record 6, English
Record 6, Subject field(s)
- IT Security
- Risks and Threats (Security)
Record 6, Main entry term, English
- smurf attack
1, record 6, English, smurf%20attack
correct
Record 6, Abbreviations, English
Record 6, Synonyms, English
Record 6, Textual support, English
Record number: 6, Textual support number: 1 CONT
The smurf attack is named after the source code employed to launch the attack (smurf.c). The smurf attack employs forged ICMP [Informal Conflict Management Program] echo request packets and the direction of those packets to IP network broadcast addresses. 2, record 6, English, - smurf%20attack
Record 6, French
Record 6, Domaine(s)
- Sécurité des TI
- Risques et menaces (Sécurité)
Record 6, Main entry term, French
- attaque par rebond
1, record 6, French, attaque%20par%20rebond
correct, feminine noun
Record 6, Abbreviations, French
Record 6, Synonyms, French
Record 6, Textual support, French
Record number: 6, Textual support number: 1 CONT
L'attaque par rebond […] est une attaque de déni de service avec amplification. L'ordinateur de l'attaquant envoie un paquet spécialement modifié à l'adresse de diffusion d’un routeur. Ce routeur diffuse le paquet à tous les équipements et ordinateurs de son réseau. Ces derniers répondent à l'adresse de la source(celle spécialement modifiée par l'attaquant). 2, record 6, French, - attaque%20par%20rebond
Record 6, Spanish
Record 6, Textual support, Spanish
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