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Writer's pictureJeffrey Rodgers

Understanding the July 19th IT Outage: A Wake-Up Call for Cybersecurity Preparedness

On Friday, July 19th, 2024, a global IT outage linked to a small bug in a CrowdStrike content update disrupted flights, crashed enterprise systems, and highlighted the critical dependencies within the world’s IT infrastructure. This incident, though not a security breach, echoed the impact of a widespread ransomware attack, underscoring the fragile nature of our interconnected digital world.


The Fragility of Global IT Infrastructure

The CrowdStrike outage served as a stark reminder of how a seemingly minor bug can bring major global systems to a halt. It’s a wake-up call for businesses to recognize that cybersecurity is not just about defending against external threats but also about ensuring the resilience of internal systems. This incident demonstrated the need for robust IT management practices that can quickly adapt to unforeseen challenges.


The Role of CISOs: From "Ministry of No" to "Ministry of Proactive"

For years, Chief Information Security Officers (CISOs) have been viewed as obstacles to business agility, often labeled as the "Ministry of No." However, the July 19th incident emphasizes the evolving role of CISOs as enablers of business continuity and resilience. By advocating for security and resilience by design, CISOs have shifted from being seen as roadblocks to being recognized as key players in maintaining business operations during crises.


Proactive Security: The Key to Preventing Disruptions

The CrowdStrike incident is a clear example of why organizations need to adopt a proactive approach to cybersecurity. Here are some critical steps businesses can take to avoid becoming the next victim of a similar outage:


  1. Primary Cohort Testing: Define a primary cohort of devices and hosts to test updates before full deployment. This ensures any issues can be identified and addressed before they impact the entire organization.

  2. Phased Rollouts: Implement a phased deployment plan that allows for operational confirmation at each stage, reducing the risk of widespread disruption.

  3. N-1 Strategy: Maintain the last version of software before an update (N-1) to quickly revert if the new update causes issues. However, be cautious with security tools, as using outdated versions could leave systems vulnerable to threats.


The Broader Security Implications

While the July 19th incident was not a direct security breach, it has significant security implications. The disruption created opportunities for cybercriminals to exploit weaknesses in affected systems. Businesses must remain vigilant against phishing attacks and other forms of fraud that have spiked since the event. Furthermore, temporarily disabling security tools in the aftermath of such an incident could leave organizations exposed to even greater risks.


ValorTech's Commitment to Resilience

At ValorTech, we understand the importance of proactive cybersecurity measures and are committed to helping businesses build resilient IT infrastructures. By learning from incidents like the CrowdStrike outage, we can work together to strengthen our defenses and ensure that our systems are prepared to withstand the challenges of the digital age.


Let’s take this opportunity to reinforce the integration of security controls into your IT and network fabric, ensuring that we are always ready to deliver business performance while achieving our security mission.


Keywords: IT outage, cybersecurity, CISOs, proactive security, IT resilience, global IT infrastructure, business continuity, ValorTech.

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