Former administration cybersecurity leader Chris Krebs President Donald Trump, dedicated to confirming the integrity of the 2020 election, said he was "angry" in the Trump administration's filthiness at the filth of cyber personnel on Monday.

The comments were the first public disclosures in Krebs since Trump directed the Justice Department to take action against him.

Krebs was applauded by a group of retained industry professionals at the RSA conference in San Francisco, who criticized the second Trump administration for its repeated layoffs on cybersecurity workers, contractors and plans.

"Cybersecurity is national security. We all know, right?

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Since January, the Trump administration has repeatedly cut cybersecurity personnel. It has directed the Krebs agency in Trump's first administration, the Cybersecurity and Infrastructure Security Bureau, to cut employees and advisory committees, and sent two rounds of emails to encourage employees to retire.

The Department of Homeland Security, which is responsible for CISA, has confirmed layoffs. It did not respond to a request for comment on Monday about Krebs’ comments.

Krebs said that given that the U.S. government and cybersecurity companies have traced back to a series of major hacking campaigns in China, nicknamed Salt Typhoon, Vodt Typhoon and Flax Typhoon - the U.S. should invest more in cybersecurity personnel.

"I can see policy arguments that we are trying to reduce the size of the government. But when you have typhoons, salt typhoons, flax typhoons, anyway, when you're knocking on the door every day, we're not moving forward."

"We need more Cyber ​​Command, NSA collects more people from Intel, we need more frontline defenders, threat hunters, red teammates, people just done (system management), basics. We need more, not less. That's my pitch: making CISA great again," he said.

Krebs worked in him in CISA staff and in the cybersecurity industry until recently. Trump's actions against Krebs include revoking the company's Sentinelone security permit until his resignation this month.

Also Monday, the Electronic Frontier Foundation, a nonprofit digital rights organization, published an open letter defending Krebs, although it initially had dozens of signers and did not represent large cybersecurity companies.

Katie Moussouris, CEO of Luta Security, a smaller cybersecurity company, told NBC News that the industry generally supports Krebs but is enduring to anger the Trump administration.

"Everyone feels like me. No one is authorized to say anything formally," she said.