[1] VPSKeys supports the Telex, VISCII, VNI, and VIQR input methods, as well as a number of character encodings.
In March 2010, Google[6] and McAfee[7] announced on their security blogs that they believe that hackers compromised the VPS website and replaced the program with a trojan.
The trojan, which McAfee has code-named W32/VulcanBot, creates a botnet that could be used to launch distributed denial of service attacks on websites critical of the Vietnamese government's plan to mine bauxite in the country's Central Highlands.
[7] However, Nguyễn Tử Quảng of Bách Khoa Internet Security (Bkis) called McAfee's accusation "somewhat premature".
[10] VPS discovered a breach on their website on January 22, 2010, and restored the non-infected software then, but did not publicize it widely because they did not realize the serious nature of the matter.