“‘The systems in question are fake systems….and the data obtained cannot be accurately used for attribution,’ Lee wrote of Norse’s sensor network. ‘In essence, Norse identified scans from Iranian Internet locations against fake systems and announced them as attacks on industrial control systems by a foreign government. The Norse report’s claims of attacks on industrial control systems is wrong. The data is misleading. The attention it gained is damaging. And even though a real threat is identified it is done in a way that only damages national cybersecurity.’”

Source: Sources: Security Firm Norse Corp. Imploding — Krebs on Security