Security News > 2020 > July > In addition to traditional DDoS attacks, researchers see various abnormal traffic patterns

DDoS attacks have become a global risk, and as attacks continue to increase in complexity, further spurred by the pandemic, ISPs will have to strengthen their security measures.

While DDoS attacks disrupt service for large companies and individuals alike, ISPs face increasing challenges to curb undetectable and abnormal traffic patterns before they evolve into uncontrollable reflection attacks.

In addition to traditional DDoS attacks, Nexusguard researchers identified various abnormal traffic patterns, including small-sized, short attacks dubbed "Invisible killers." These types of attacks are often wilfully ignored by ISPs, which gives the invisible anomalies access to website and online services networks to wreak havoc.

"We believe that the 'invisible killer' trend will not go away anytime soon, and should not be dismissed at the risk of Internet network infrastructures suffering a deluge of attacks. ISPs play a key role in preventing and mitigating attacks in the long run, protecting its own networks and customer networks from either 'invisible killer' or traditional attacks. Steps must be taken to address and manage suspicious traffic, safeguarding the connectivity and service uptime of customer networks from the threats of DDoS attacks," said Donny Chong.

These forms of attacks are a result of drip-feeding doses of junk traffic into a large IP pool, ultimately clogging the targeted infrastructure when small bits of attacks accumulate from various source IPs.

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