The attacks were carried out by a group of pro-Russian hackers known as Killnet, according to John Hultquist, vice president for intelligence at Mandiant, an American cybersecurity firm.Still, when they do take place, he said, they are effective in drawing public attention.The Port Authority of New York/New Jersey said LaGuardia Airport’s website experienced a denial of service incident about 3 a.m. Monday that resulted in intermittent delays for those who tried to access the site.“The Port Authority’s cybersecurity defense system did its job by detecting the incident quickly, addressing the problem in 15 minutes, and enabling us to alert others by notifying federal authorities immediately,” the agency said in a statement, adding that there was no effect to any Port Authority facilities.Airports: No, you still can’t bring marijuana through a TSA checkpointRoads: West Virginians fear a road meant to help their towns could destroy themAirplane seats: Americans are larger."