Data-leakage is the uncontrolled, unauthorized transmission of classified information from a data centre or computer system to the outside. Such leakage can be accomplished by physical removal of data storage devices (diskettes, tapes, listings, printouts and photographs of screen copies or ...

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Is flushing of all caches on any context switch between mutually-distrusting processes the only way to prevent cache timing attacks?

This article demonstrates a devastating Javascript-based cache timing attack that allows for cross-VM tracking of mouse movements and other activities by web pages. Is the only way to prevent cache-...
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How to mitigate risk of X11 buffer ghosting on window resize and X server shutdown

The Buffer "Ghosting" Phenomenon It is possible to observe contents of (old and currently used) graphics buffers on a monitor under certain circumstances, posing an information disclosure risk, when ...
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What should I do when I find out some company user database I am listed in was leaked?

Today the antispam tool in the company I work for blocked several emails. It has been months since last time, so I took the time to analyze the quarantined messages. Since I almost never give my ...
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Are exposed database names on shared server a security hole?

I was working for a client this week, and they use PostgreSQL database for web applications. They have their database on a shared server. When I connected to the database host with pgAdmin, I was ...
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Restricting VMware View Copy/Paste Functionality

Does anybody know if it's possible to restrict VMware View copy/paste functionality depending on the source of the client? It seems VDIs can have GPOs set to configure copy/paste functionality, but ...
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I have to send my broken Tablet back, what should I do with my data?

The display of my Fire Tablet is broken, so I cannot do anything on the device. A member of support told me, when I remove the Tablet from my Amazon account via web browser, all data will be removed. ...
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69 views

How could I encrypt an SD card to store data on it?

I have some data I'd like to carry with me in an encrypted form onto an SD card, so I (and only I) can access it easily from any OS (or at least Windows, OSX and Ubuntu). My idea was like: Two ...
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Should I blur the cached snapshot of my app?

I recently ran a security scan on one of my iOS apps that suggested I modify my apps display as it enters the background so that the screenshot stored in the cache does not expose any sensitive data. ...