How Do IREs Compare to Traditional Backups?
Traditional backups worked in a world where the physical location of a business may have been in danger, but the actual data was fine. If there was a power outage, a flood or a dead server, there was a running copy of the system somewhere else that the business could switch over to. The underlying assumption was that the data was still in good shape, says Jared Ruckle, senior director of solutions marketing at Cohesity.
“Ransomware breaks that assumption. Attackers don’t take your building down. They poison your data,” he says. “An IRE improves your odds because it starts from the opposite assumption: that your data has already been compromised. It keeps a copy that’s isolated from your network, locked so it can’t be altered or deleted. You can take steps to verify the data’s integrity before you restore it. That gives you something traditional disaster recovery often can’t: a known-good starting point after an attack, not just a fast one.”
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A distinct separation to daily operations is key to making IREs useful for SMBs. “Because recovery is done in a completely different environment using immutable snapshots, which are copies of data that cannot be overwritten or deleted, there are trusted recovery points. The system can be checked for malware and can be kept disconnected from the network until everything is clear,” Narang says.
How Accessible Are IREs for SMBs?
While it may seem as though IREs might be accessible only to large enterprises, small to medium-sized businesses today can access the same protection as a service, similar to their other IT systems. A decade ago, IREs may have needed more infrastructure and staff to run, and would have been out of reach for most SMBs, but things are different now.
“A minimum viable setup needs five things: a copy of your critical data, kept separate from your main network, locked so it can’t be altered or deleted, scanned for infection before you restore, and tested at least once. No second building. No new servers. No dedicated staff,” Ruckle says. “All of this is great news, because an IRE isn’t a ‘nice to have’ — it’s a ‘must have.’”
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