USA sanctions individuals and entities for supporting Iran's nuclear program or launching cyber attacks

Among those affected are two companies based in Ukraine and seven Iranians accused of spreading malicious programs in 24 US corporations.

The US Treasury Department imposed sanctions on a number of individuals and entities accused of supporting Iran's nuclear program or engaging in "malicious" cyber activities. Among those affected are two companies based in Ukraine.

Restrictive measures include freezing assets that individuals and businesses may have in the US, and prohibiting any US citizen from doing business with them.

The sanctioned

Khors Aircompany and Dart Airlines: companies established in Ukraine, accused of supplying US-origin aircraft to Iraqi and Iranian airlines; including Caspian Air, which would have "transported illicit personnel and materials - including weapons - from Iran to Syria," the Treasury Department said in a statement.

Sadid Caran Saba Engineering Company (SABA) is a company specializing in machinery, listed for providing support for the Islamic Revolutionary Guard Corps (CGRI) ballistic missile program.

ITSec Team: Iranian private security company, sanctioned for allegedly planning and executing Distributed Denial of Service (DDoS) attacks against several US financial institutions. in 2011 and 2012.

Seven Iranian citizens: three ITSec employees and four workers from Mersad Co., another private security company alleged to have attacked 24 US corporations via a botnet (a network of machines infected by a bot) malicious program).