President Donald Trump walks to board Marine One at George Washington's Mount Vernon estate in Mount Vernon, Virginia, on September 20, 2025. Jose Luis Magana/AP/File

Employee messages at a Washington liberal advocacy group no longer linger on the office’s internal chat platform. Instead, they are deleted after seven days, to better protect communications from being subpoenaed as part of a government investigation.

Other groups are mulling shifting some of their operations from nonprofit arms to corporate entities so they can continue their work should the government abruptly revoke their tax-exempt status.

And across the progressive philanthropic and nonprofit world, executives are taking new steps to safeguard their security, from monitoring social media for threats to scrubbing the

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