While there are still many no-go areas, the rest of Sudan is a very safe place – one of the safest in Africa, in fact. Crime is almost unheard of, but watch your wallet among crowds and lock your luggage in hotels. The Nuba Mountains, Darfur and the borderlands with South Sudan are generally dangerous and out of bounds to foreign travellers.
Scorpions are common in the desert. Although their bite can be painful, it's rarely life threatening.
The following government websites offer travel advisories and information for travellers.
Australian Department of Foreign Affairs and Trade (www.smartraveller.gov.au)
Global Affairs Canada (www.voyage.gc.ca)
French Ministère des Affaires étrangères et du Développement international (www.diplomatie.gouv.fr/fr/conseils-aux-voyageurs)
Italian Ministero degli Affari Esteri e della Cooperazione Internazionale (www.viaggiaresicuri.mae.aci.it)
New Zealand Ministry of Foreign Affairs and Trade (www.safetravel.govt.nz)
UK Foreign & Commonwealth Office (www.gov.uk/foreign-travel-advice)
US Department of State (www.travel.state.gov)