Trusted Sources is country specialists with staff located in Beijing, Moscow, São Paulo, New Delhi and Istanbul.
Manon des Sources | Third Cambridge Catalogue of Radio Sources | sources | Trusted by Millions | Sources of Hamlet | Manon des Sources (disambiguation) | Manon des Sources (1986 film) | Trusted Platform Module | Trusted Computing Group | Trusted Computing | Trusted Computer System Evaluation Criteria | Sources of law | Sources Chrétiennes | List of sources of Chinese culinary history | Famous map of Lewis and Clark's expedition. It changed mapping of northwest America by providing the first accurate depiction of the relationship of the sources of the Columbia River | All the Pretty Sources |
However, in practice this advice is not enough – "known trusted sources" were the senders of executable programs creating mischief and mayhem as early as 1987 (with the mainframe-based Christmas Tree EXEC), so since the ILOVEYOU and Anna Kournikova worms of 2000 and 2001 email systems have increasingly added layers of protection to prevent potential malware – and now many block certain types of attachments.