Add to the skill buff information.
Also, when you attack from sneak, you immediately leave sneak. Leaving sneak automatically has the benefit of making you instantly able to attack/defend/run with being handicapped in your movement speed, but may factor into the fact that you become immediately visible.
Subsequently crouching to return to sneak, or using concealing skills such as the Nightblade's Shadow Cloak, will have
what success in hiding you again that they would in any combat situation: mixed, depending on your circumstances. However, if you can regain sneak, you can immediately attack again and have the usual sneak multipliers apply.
The following [[Online:Races|races]] have passive skills that provide a bonus to Sneak:
* [[Online:Bosmer|Bosmer]]: Stealthy - 3 ranks available, the first at Player Level
15. "Improved Stealth radius by 1/2/3 meters. Increases damage while Stealthed by 3/6/9%."
* [[Online:Khajiit|Khajiit]]: Stealthy: 3 ranks available, the first at Player Level 10. "Improved Stealth radius by 1/2/3 meters. Increases damage while Stealthed by 3/6/9%."
The following armor types have passive skills that provide a bonus to Sneak:
* [[Online:Armor#Medium|Medium]]: Improved Sneak – 2 ranks available, the first at Medium Armor Level 14. "Decreases the detection area radius by 3/5% and the cost of Sneaking by 4/7% per piece of Medium Armor equipped."