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Feds keep eyes peeled for Iran cyberattacks, respond to Stryker breach

19 March 2026 at 14:06

Federal cyber officials aren’t seeing a significant change in attacks tied to Iran since the conflict there began, at least not yet, but they are on the lookout for any uptick and are focusing on the Stryker attack in particular.

Terry Kalka — director of the Defense Industrial Base Collaborative Information Sharing Environment at The Defense Department’s Cyber Crime Center — said Thursday that “there’s some basic indicators, there’s some known” tactics, techniques and procedures, but “we’re not seeing a tremendous amount of impact yet.”

That sentiment aligns with what the acting director of the Cybersecurity and Infrastructure Security Agency, Nick Andersen, told reporters on Tuesday: “We still are seeing a steady state. We have not seen an increase or any rise of threat actor activity.”

But both men said they’re monitoring to see if that changes. “We are very much on the alert for, if not Iran, Iran-influenced actors,” Kalka told CyberScoop at the Elastic Public Sector Summit.

On Thursday, CISA issued recommendations tied to this month’s cyberattack on medical device maker Stryker, the most eye-catching cyber activity with Iran links after an Iranian hacking group known as Handala claimed credit for the attack.

CISA urged organizations to improve their defenses of endpoint management systems after the attack caused global disruptions to Stryker’s Microsoft environment. CISA made several recommendations , including to set up safeguards in Microsoft’s Intune endpoint management tool.

Stryker has contracts with the Defense Department.

“We’re all paying attention to the Stryker incident that broke last week, because there are implications there for communications technology and private information or corporate information that, even if it’s not defense Information, getting access to someone’s email and understanding the infrastructure of the company is very, very useful,” Kalka said.

Andersen said CISA has been in touch with Stryker, as has the FBI. On Thursday, it was reported that the FBI and the Justice Department took down two websites linked to Handala.

Andersen said the agency’s approach doesn’t change much because of the conflict, however.

“We just can’t take our eyes off of the fact that other adversaries continue to make maneuvers in this space,” he said at an event hosted by Auburn University’s McCrary Institute. “Cybercriminal groups continue to make moves within this space. It was not just about one nation-state at one particular point in time. We see persistent motivation across the board for people to be able to take advantage of cyber weaknesses across critical infrastructure and our traditional IT environments.”

CISA has furloughed hundreds of employees as Congress continues a standoff over funding for the Department of Homeland Security over the Trump administration’s immigration enforcement approach.

The post Feds keep eyes peeled for Iran cyberattacks, respond to Stryker breach appeared first on CyberScoop.

Trump administration isn’t pushing companies to conduct cyber offense, national cyber director says

17 March 2026 at 16:16

National Cyber Director Sean Cairncross said Tuesday that the Trump administration isn’t aspiring to enlist the private sector to conduct offensive cyber operations, but instead to help the government by keeping them abreast of the threats they’re facing.

The recently-released national cyber strategy talks about incentivizing companies to disrupt the networks of adversaries.

“I’m not talking about the private sector, industry or companies engaging in a cyber offensive campaign,” Cairncross said at an event hosted by Auburn University’s McCrary Institute. “What I’m talking about are the technical capabilities, the ability of our private sector to illuminate the battlefield from what they’re seeing, to inform and share information so that the USG [U.S. government] can respond to get ahead of things.”

The idea of enabling U.S. companies to undertake disruptive or offensive campaigns against malicious hackers, or to at least aid in U.S. government offensive operations, has regained currency in some GOP circles in recent years. Some companies have shown an interest in doing so, especially if laws are changed to make it more viable.

That trend coincides with growing calls from Trump administration officials — and now the release of the cybersecurity strategy — to go on the offense against hackers, although Cairncross emphasized again that the strategy pillar to “shape adversary behavior” isn’t just about conducting cyber offensive campaigns, but to use other government mechanisms to put pressure on hackers, be they legal or diplomatic.

The government can go about shaping the “risk calculus” “in a more agile fashion” with private sector help, he said.

There’s an enormous amount of capability on the private sector side, and now we have a spear from the United States government… we are looking for real partnership,” Cairncross said.

One way the U.S. government has sought to bring the fight to cyber adversaries is the FBI’s “joint sequenced operations,” used to degrade their capabilities. Speaking at the same event, the head of the bureau’s cyber division said the private sector was key to those operations as well.

“Every one of the joint sequenced operations that the FBI conducts to remove that capacity and capability that I talked about — from the Russians, from the Chinese, from the Iranians and others — happens because a victim came forward and engaged the FBI,” said Brett Leatherman.

“One takeaway for everybody here is ‘What is your game plan in the event of a breach to engage your local FBI field office?’” he asked. “I would proffer there’s very little liability in doing so, and we’re happy to have conversations with your outside or inside counsel, but there’s a tremendous amount to be gained by doing that.”

The post Trump administration isn’t pushing companies to conduct cyber offense, national cyber director says appeared first on CyberScoop.

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