Security device for a window handle or door handle

A security device for a handle of a door or a window for protecting against unauthorized actuation, the security device comprising:

• a handle adapted to be connected to a frame element of a door or a window;
• a cover adapted to attach to the handle in a mounted position and enclose the handle in the mounted position;
• the cover provided with a first locking element and a second locking element;
• a lock connected to the cover and adapted to secure the cover on the handle in the mounted position and to release the cover from the handle for removing the cover from the handle;
• a first counter member disposed on the handle or on a cover plate of the handle;
• a second counter member adapted to be connected to the frame element;
• the first locking element adapted to engage the first counter member and the second locking element adapted to engage the second counter member in the mounted position;
• wherein one of the first and second locking elements is a locking bar of the lock;
• wherein the first and second counter members each have a functional part engaged by the first and second locking elements, respectively, and the functional parts are facing away from each other, wherein the first and second locking elements are positioned at opposed ends of the cover so that the cover is adapted to engage the first and second counter members in a first position or in a second position, rotated by 180 degrees relative to the first position.