TLP WHITE: March 19, 2021

As information systems become more sophisticated, so do the methods used by the attackers. Criminal and nation state actors have long recognized the value of denial-of-service attacks which can cause serious business interruptions for any organization connected to the internet. Denial-of-Service attacks have increased in magnitude as more devices come online and organizations increase remote access for their staff.

This paper covers the motivations behind DDoS attacks, provides several historical examples and details several strategic and tactical recommendations IT and information security professionals can implement in their organizations to limit impacts from these disruptive attacks.


Key topics from the report include:
  • – Impacts to the Threat Landscape
  • – Observed Activity
  • – Takedown Campaigns
  • – Risk and Impact
  • – Mitigation Strategies


Pdf version of report:
H-ISAC DDoS Attacks 3-19-2021





Mar 19, 2021




SANS Institute: Information Security Reading Room – Preparing to Withstand a DDoS Attack

Security Magazine: How DDoS Activity Has Evolved this Year

InfoSecurity Magazine: DDoS Attacks Surge in 2020 Due to #COVID19

Acoustic Beat-Inspired DDoS Attack

Another Ransomware Now Using DDoS Attacks, Forcing Payment

MobileIron MDM System Targeting

Taking Down Emotet

Operation Ababil

Krebs on Security: Iranian Elections Bring Lull in Bank Attacks

Microsoft and Others Orchestrate Takedown of Trickbot Botnet

Trickbot Legal Documents

TrickBot Botnet Survives Takedown Attempt

NCBI Resources: Nursing Process

Security Magazine: Protecting VPNs from DDoS Attacks in the Age of Remote Work

The Business Journals: Are Remote Workers Protected Against Hackers?


Alert ID 6a16de1e

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