No immediate signs of impact to actual air travel were reported, suggesting the issue may be an inconvenience for people seeking travel information.“Obviously, we’re tracking that, and there’s no concern about operations being disrupted,” Kiersten Todt, Chief of Staff of the US Cybersecurity and Infrastructure Security Agency (CISA), said Monday at a security conference in Sea Island, Georgia.The group claimed responsibility last week for knocking offline US state governments websites.Killnet is blamed for briefly downing a US Congress website in July and for cyberattacks on organizations in Lithuania after the country blocked shipment of goods to the Russian enclave of Kaliningrad in June.“DDoS attacks are favored by actors of varying sophistication because they have visible results, but these incidents are usually superficial and short lived,” John Hultquist, a vice president at Google-owned cybersecurity firm Mandiant, told CNN."