Surrepticious changing of critical data could in some cases be even more devastating than having it accessed, stolen or exposed. Alteration of the data compromises its accuracy, which could result in grave errors and even deadly ones in case of things such as military data or hospital’s data. If such compromises became common, reliability of government and company data would always be in question and we wouldn’t know what data to trust.
Read more here:
http://www.securityweek.com/us-intelligence-official-warns-evolving-cyber-threats
