Someone may be getting ready to attack Palo Alto Network devices, security researchers are warning after spotting a rise in activity.
Analysts from GreyNoise said they observed a “significant surge” in login scanning activity against the company’s PAN-OS GlobalProtect portals, with almost 24,000 unique IP addresses attempting to access these portals in March 2025. “The pattern suggests a coordinated effort to probe network defenses and identify exposed or vulnerable systems, potentially as a precursor to targeted exploitation,” the article reads. This could also mean that someone’s found a zero-day vulnerability in these endpoints and is now looking to see how many endpoints it can compromise through it.
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Source: TechRadar Pro
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