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In the realm of modern life, where corporate data breaches have become an unfortunate norm, the recent attack on internet service provider Comcast stands out. Approximately 35.9 million Xfinity users, constituting just over 10 percent of the U.S. population, find themselves at risk due to a security breach that occurred two weeks ago. What adds to the concern is Comcast’s seemingly lackadaisical response to the security flaw that facilitated the breach.

According to a notice sent to the Maine attorney general’s office, hackers successfully accessed a trove of sensitive customer data, including usernames, real names, addresses, dates of birth, user-selected security questions and answers, and the last four digits of Social Security numbers. Though passwords were compromised, they were cryptographically hashed. The investigation is still ongoing, with more revelations anticipated, as reported by Ars Technica.

The breach was attributed to a critical bug in Citrix network hardware, known as Citrix Bleed, discovered by Comcast between October 16 and October 19. Despite the existence of a patch for the vulnerability, which had been actively exploited since August, Comcast delayed patching its network hardware until October 23. This two-week window provided hackers the opportunity to exploit the vulnerability and infiltrate Comcast’s systems.

It’s worth noting that Comcast is not the sole victim of the Citrix Bleed vulnerability. However, the high-profile nature of the security issue, coupled with Comcast’s delayed response, has understandably left customers upset about the compromise of their data. In response, Comcast has mandated password resets and the activation of two-factor authentication for affected customers.

While the immediate risk may not be substantial assuming there is no further data loss, the incident underscores the broader challenges in cybersecurity. The Comcast breach serves as a cautionary tale, emphasizing the critical need for timely and proactive measures in the face of evolving cyber threats.