DDoSárásir

DDoSárásir is the Hungarian term for distributed denial-of-service attacks. It describes a class of cyber incidents in which many compromised computers, devices, or networks coordinate to send excessive traffic or requests toward a target, overwhelming its resources and rendering services unavailable to legitimate users. The intent is usually to disrupt operations, damage reputation, or pressure organizations to meet demands through extortion or political motives.

These attacks rely on large botnets composed of internet-connected devices that have been hijacked, often through malware or exploiting weak security configurations. Attackers can employ various techniques at different layers of the network stack. Volumetric floods aim to saturate bandwidth with high-volume traffic; protocol floods exhaust state or connection limits; and application-layer floods target specific services, such as websites, APIs, or game servers. The scale may range from thousands to millions of endpoints and can spike briefly or persist for days.

Impact can be significant, causing downtime, degraded performance, financial loss, and supply-chain disruption. Small organizations are particularly vulnerable, though large enterprises and infrastructure providers can be affected too. Response typically requires a multi-layered defense strategy: traffic filtering and rate limiting at the edge, scrubbing centers or cloud-based mitigation, redundant and diverse network paths, and rapid incident response to re-route or absorb traffic. Proactive measures include securing devices, implementing DDoS-aware load balancing, and establishing communications with service providers and law enforcement.

Notable incidents include the 2016 Dyn attack, which disrupted many major websites across the United States, and the 2018 Memcached amplification campaign, which achieved record-breaking traffic volumes. Legal frameworks in many jurisdictions criminalize DDoS actions, and international cooperation helps pursue perpetrators.