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What Is Happening With Ransomware in Healthcare?
In June, Health Data Management organized a meeting of information security experts to discuss ransomware and how to deal with it. They agreed that it was likely that many subjects would be hit by it. It’s a big and growing problem. Paying the ransom only gives criminals more money to improve their ransomware.
Daniel Sergile, director of security operations at CIOX Health, said, “But it also highlights another issue: Companies don’t do a very good job with their backup and recovery. If I were to do monthly backups and permanent backups per day, then I wouldn’t” I don’t have to pay a $17,000 reward. I would literally take a snapshot, lose a day’s worth of data, and it would probably cost less than $17,000. It goes back to the basics of information security: Do employees have administrative rights across the environment? Are those rights a bit too high, allowing them to modify their systems? And at the system level, are we investing in all the latest and greatest types of antivirus and employee analytics tools? If we go back to the basics and do what needs to be done – not to the point where it cripples the business, but it secures it – then I think you’ll see a lot less people paying that premium.”
John Mertz, vice president and CIO at South Nassau Community Hospital, noted that if the backups are offsite, retrieving them and restoring them will take a long time.
In good hosting facilities, SQL backups occur every 15 minutes. Full bookings are made every day. These backups are first made on the same physical server to a different disk array than the live database and then copied to a separate physical server, so they are backed up twice. Backups are kept locally, so in case of ransomware, data can be quickly restored.
If you’re hosting your own software and database, Steve Dryer, a hosting facility administrator, advises doing the following:
1. Make sure you are backing up.
2. Make sure you’re backing up what you need to back up.
3. Make sure your backups are good and readable.
4. Make sure you can and know how to restore your system to a fully functional state if you need to.
No matter where your data and software are hosted, he says you shouldn’t rely on backups alone. You have additional security that monitors you and alerts you if a problem occurs.
Keep everything up to date and in order. By this he means:
1. Operating system on PC
2. Operating system on the server
3. PC and server main board BIOS
4. Computer and server drivers
5. PC and server drivers and BIOS and RAID card drivers.
6. All firmware for PC and server
7. All network equipment firmware including switches, routers, firewalls, access points and WiFi devices
8. All virus protection (and of course make sure it works.)
It further states that anything that is outdated and no longer supported, and therefore updated, SHOULD NOT be used. This means that Windows XP, Microsoft Office 2003, and other software and hardware that are no longer supported must be replaced.
You should control employee access to only those websites that are required for the business. Do not allow employees to connect their cell phones or other mobile devices to your office WiFi.
What if a user receives a ransomware message? Maria Suarez, chief information security officer for Hackensack University Medical Center, noted that if users ever see a ransomware message, they should disconnect from the network, but not shut down their computer.
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