Attorneys in firms large and small woke up Friday to notifications of potential computer delays and access issues thanks to an outage at CrowdStrike, a popular cybersecurity tool that released a faulty update for computers running on Windows operating systems Thursday night.

The impacts of the CrowdStrike outage have been felt worldwide, grounding planes, impeding bank operations, and even forcing some local courts to close for the day. The impacts on law firms have been varied, with one Am Law 200 CEO on the West Coast indicating that the firm’s servers were back online, albeit with some isolated outages remaining, and another Am Law 100 executive describing issues with delays in emails and document management systems.