"Iran Sanctions" by Kenneth Katzman, March 31, 2017, Congressional Research Service, RS20871, 89 pages, Washington. "This report analyzes U.S. and international sanctions against Iran and provides some examples, based on open sources, of companies and countries that conduct business with Iran".
Concerning "cyber" issues, read:
- "Expanding Internet and Communications Freedoms" (p.30-31)
- "Iranians Sanctioned Under September 29, 2010, Executive Order 13553 on Human Rights Abusers" (p.81)
- "Iranian Entities Sanctioned Under Executive Order 13606 (GHRAVITY)" (p.82)
- "Entities Designated as Human Rights Abusers or Limiting Free Expression Under Executive Order 13628 (Executive Order pursuant to Iran Threat Reduction and Syria Human Rights Act)" (p.83).