Worldwide Cyber Attack, 150+ Countries and 200,000 Victims

By Eric Noonan • May 19, 2017

On Friday of last week, Europol reported that a worldwide attack using a piece of ransomware known as “WannaCry” hit more than 150 countries and infected at least 200,000 victims. Europol Director Rob Rainwright said that “the global reach [of the attack] is unprecedented. The attack appears to be targeting businesses and large corporations in the healthcare, financial and infrastructure sectors; these sectors have highly sensitive information ripe for a hostage.

Ransomware is malicious software, a virus, that has two purposes. The first is to encrypt the contents of a machines hard drive, preventing the user from accessing the information without entering a unique key or password. The second purpose is to act as a worm and spread to as many machines as possible. With a large footprint of infected machines, the attacker can then hold the data for ransom, promising to provide the password or key to decrypt the data once the ransom is paid in bitcoin (untraceable digital currency).

The WannaCry ransomware appears to exploit a vulnerability in the Microsoft XP operating system that was discovered as a result of the recent NSA tool dump. It’s unclear at this time whether the ransomware was developed by the NSA or just as the result of the NSA’s day one exploit stockpiling. Microsoft president and chief legal officer Brad Smith responded to the attack stating that it “provides yet another example of why the stockpiling of vulnerabilities by governments is such a problem”. Smith continued his comment stating that “this most recent attack represents a completely unintended but disconcerting link between the two most serious forms of cybersecurity threats in the world today — nation-state action and organized criminal action.

While IT and Security teams have no doubt been working around the clock over the weekend to prevent the spread and manage the fallout, some key actions organizations should take in the immediate fallout are as follows:

  • Immediately backup important and sensitive data in case you are infected soon.
  • Update to the latest Microsoft security patches.
  • Update all anti-virus and conducting immediate scans.
  • Scan all inbound and outbound emails for malicious attachments.
  • Send out a companywide awareness email warning employees about the attack and to be cautious of scams and malicious emails.

Moving forward, organizations should consider a more proactive approach to dealing with ransomware as opposed to reactive. In August of last year, CyberSheath Security Engineers wrote about the rise of ransomware and how using sandboxing techniques in daily operations can be 100% effective against malware attacks when used in combination with least-privilege. Adding to defense in depth, implementing a privileged account management solution can be used to prevent ransomware from spreading to critical servers by securing privileged accounts, and in combination with isolating critical servers with a secure jump host such as CyberArk’s PSM, can be a highly effective combination in combating malicious threats.

Let the security professionals at CyberSheath help you become proactive, not reactive. You can learn more about our approach by viewing our Privileged Access Management service area or clicking the button below to download our detailed Privileged Access Management datasheet.

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