Why does the CLX.Sentinel browser window blink?
The frame of the browser window and the toolbar blinks if another window is on top of the CLX.Sentinel browser window. This happens when any part of a window (e.g. Explorer, Firefox, e-mail program, etc.) overlays the CLX.Sentinel browser window. You can easily bring the CLX.Sentinel browser window back to the top by using the Alt-Tab key combination. The blinking of the CLX.Sentinel browser is a useful feature that informs users of an overlying window, which can be part of acyber attack. In these attacks, a malware program opens an invisible window (an overlay) on top of your browser and records/changes sensitive transaction data such as user names/passwords, PINs, account information, payment entries, etc.
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