Argentina is considered safe, but there has been an increase in beggars asking tourists for money and pickpocket incidents have also increased, so it always a good idea to keep your money secure and out of sight.
Walking at night in the larger cities can be an issue if you’re alone and are not in a protected area. Crime is increasing all over the country due to the economic situation, so stay alert when traveling by taxi or on foot. Only use the established taxi companies and try to walk with someone, especially after dark. Common sense is your best security tool when you remember to use it.