American has worked with outside cyber security experts who checked digital signatures, IP addresses and the style of attack, and there's no evidence to suggest a breach similar to that experienced by the U.S. Office of Personnel Management. American Airlines spokesman Casey Norton More Quotes by American Airlines spokesman Casey Norton More Quotes From American Airlines spokesman Casey Norton Not in light of today, but because of prevalent attacks in the industry, The China-based hackers have redoubled The China-based hackers efforts and brought in more cyber security experts to investigate and defend The China-based hackers systems. American Airlines spokesman Casey Norton industrials