These include places frequented by foreigners such as hotels, clubs, restaurants, bars, schools, embassies, places of worship, outdoor recreation events, markets, transport, cinemas and tourist areas.
Targets may also include casinos, venues where alcohol is served or consumed and places and institutions associated with Western interests.
This has led to security being reinforced in Morocco.
They may also provide fake cashier cheques for 'urgent' shipments of large quantities of goods, request sizeable fees for a fake government contract and extort money from individuals they have convinced to travel to Africa for a business opportunity.
Valuables, including your passport, should be kept out of sight. Travellers have been mugged when walking on deserted beaches and poorly lit streets at night.
Be aware of your surroundings when withdrawing money from an ATM.
Recent arrests of suspected terrorists by Moroccan authorities indicate the heightened risk of terrorism in the region.
The Maghreb region, including Morocco, has been mentioned as a target in public statements by Islamic State of Iraq and the Levant (ISIL).