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 their websites of material that could be used to find and target or harass individual employees.

As President Donald Trump intensifies his efforts to hobble the infrastructure that supports Democratic candidates and causes, many liberal advocacy and philanthropic groups say they have moved to protect their organizations, their finances and personnel like never before, according to CNN’s interviews with nearly a dozen officials in the nonprofit sphere.

“People are trying to reimagine how to do the work and how to do it safely,” said Jess O’Connell, a longtime Democratic strategist who helps oversee the Democratic Security Project, a nonprofit launched last year that helps organizations harden