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Denial-of-service

Knox County hit with distributed denial-of-service attack on Election Day

Early this May, Knox County's election results were delayed because of a widespread distributed denial-of-service (DDoS) attack. Though the attack prohibited people from viewing the results on the county's website or app, officials were able to access the results and print them out.

No election data was compromised since the outage, which lasted an hour and a half, occurred only after the polls were closed. Knoxville-based internet security firm Sword & Shield determined that the requests rained in from 65 different countries. These requests were a deliberate attack on the county's web servers, aiming to breach the website where election results are reported.

Detecting DDoS attacks

While DoS and DDoS attacks are similar in nature, there is one factor that sets them apart; DoS attacks flood systems, servers, and other network resources with traffic from a single computer so that legitimate users cannot access them. DDoS attacks, on the other hand, perform this same action, but from many computers across several networks. The challenge lies in determining whether an increase in traffic is caused by genuine users, or a DDoS attack. To make detecting DDoS attacks easier, be sure to maintain an audit trail of all changes to your network infrastructure, and monitor your log data.

Don't want to make the news for the wrong reasons? Download ManageEngine Log360, the tool that can help combat internal and external security attacks.

How Log360 can help

Log360 helps you:

  • Audit log data from network devices.
  • Get real-time alerts about DoS and DDoS attacks.
  • Detect repeat connection requests from a specific IP address.
  • Identify potential attacks, including ransomware, on important internal servers and files with instant alerts when access attempts exceed a set threshold.

Using Log360's reports and alerts, you can detect DoS and DDoS attacks before they begin to affect your users. Get started here.

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