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REactively Defending against Advanced Cybersecurity Threats

Antonis Krithinakis

01 June 2018

31 May 2021

EC funded project


Advanced Cybersecurity Threats can compromise software and automatically propagate from host to host all over the Internet, without any end-user intervention. The massive infection of hosts can disrupt many services and cause annoyance, significant financial loss, or even affect the operation of life-critical infrastructures such as nuclear plants, and hospitals. ReAct aims to fight software exploitation, and mitigate such Advanced Cybersecurity Threats in a timely fashion, based on four complementary actions:

  • Probes actively, and in a transparent and ethical way, the network for identifying unknown vulnerabilities.
  • Once aware of new vulnerabilities, automatically patches all vulnerable hosts of an organization, using software instrumentation, and secures them temporarily, until the official patch of the vulnerability is published.
  • Detects exploited hosts and immediately isolates them from the rest of the network to limit malware propagation.
  • Analyzes security incidents for forecasting future cybersecurity threats.


Who is the project designed for?

Public Sector Organizations, IT SMEs, Researchers, Security Software Industry, End User Organizations, Cyber insurance companies.


How will your project benefit the end-user?

Better Software Security and hardening.

REACT Project of the Week 26-31 October 2020



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