Why has the retention period for backed up data been decreasing?


I was discussing something with a sysadmin last week, and he made a comment that backed up data is often only retained for a few days now. It wasn't long ago that the standard I was familiar with was a 30 day retention of data. I didn't get around to asking why the retention period had decreased so much before we parted ways. Was he right? Is backup data only being kept for a few days, and if so, why has there been such a big decrease in the retention period?

Answer this Question


1 total
Vote Up (26)

I bet that he was talking about a Microsoft Exchange email system.  That would make sense.  Assuming that is the case, while a few days seems too short to me too, he is right; retention times have been decreasing on second tier storage.  In general, it is due to compliance, which used to demand longer retention along with offsite tape storage.  Now, for the most part that has been replaced with journaling as far as compliance is concerned.  It is the journaling that makes it unnecessary (mostly) to keep the longer retention periods.  

Ask a question

Join Now or Sign In to ask a question.
Apple's new passcode-based encryption for the iPhone and iPad can be circumvented and provides only limited protection to data.
The breach of Home Depot's payment systems may have compromised 56 million payment cards as a result of malware that has since been eliminated, the company said Thursday.
Nine months after revealing plans to develop a decentralized and encrypted chat application, BitTorrent has opened public testing for Windows, Mac and Android versions of the program Wednesday.
Apple on Tuesday began offering an additional security protection for iCloud account users, a move the company made following the theft of nude photos from several celebrities' accounts last month.
Hackers purportedly representing Anonymous hit Boston Children's Hospital with phishing and DDoS attacks this spring. The hospital fought back with vigilance, internal transparency and some old-fashioned sneakernet. That – and a little bit of luck – kept patient data safe.
A Citadel variant has been used against several Middle Eastern petrochemical companies, marking the first time the financial malware has been found in targeted attacks against companies.
Hackers evaded security systems for a year-and-a-half at a hosting center that processed payment cards for Goodwill Industries, using the same type of malware that struck Target and other major retailers to steal card data, according to the charity's software vendor.
Customers cringe every time they hear about a bank, retail or healthcare hack that puts personal or financial data at risk. Today's hackers are after much more that credit card numbers, though -- and most firms are powerless to stop them.
Wyvern securely rolls five programming languages into one.
A banking trojan, known for its small size but powerful capabilities, has expanded the number of financial institutions it can collect data from, according to security vendor Avast.
Join us: