Chronicles of Compromise

Ransomware

software used to extort money from an individual or organization by encrypting or otherwise blocking access to applications or files on a computer system until a sum of money is paid.

  • The Day Ireland’s Health Service Went Dark

    On May 14, 2021, Ireland’s Health Service Executive fell victim to a devastating ransomware attack triggered by a single phishing email. The attack crippled hospitals nationwide, delaying treatments and compromising patient data. Despite warnings, the incident reflected systemic cybersecurity failures within the organization, ultimately highlighting vulnerabilities in health services globally.

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  • NotPetya: The Cyber Attack That Wasn’t Ransomware

    On June 27, 2017, the NotPetya cyber attack began in Ukraine, initially appearing as ransomware but ultimately functioning as wiper malware, aimed at destroying systems. Spreading globally, it disrupted major companies and caused over $10 billion in damages. The attack highlighted vulnerabilities in supply chains and the geopolitical implications of cyber warfare.

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  • The Day the Internet Held Its Breath: The WannaCry Ransomware Attack

    On May 12, 2017, the WannaCry ransomware attack rapidly infected over 300,000 computers worldwide, affecting critical systems like hospitals and manufacturing plants. Exploiting a Microsoft Windows vulnerability known as EternalBlue, it demanded a ransom in Bitcoin. Cybersecurity weaknesses were exposed, prompting global reforms to enhance digital resilience and address vulnerabilities.

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