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This doesn't have to take the form of a visit or even a phone call, but can remain entirely digital.Ī common example is a hacker gaining control of an intermediary's email account, either through hacking their email service or simple gaining access to that user's password. Social engineering, using human communication as a means of gaining access to information, is always the most effective way of gaining access to and exploiting a company's network.
Many times, we inadvertently just give other people access. However, bad actors who gain control of your systems rarely need to use anything that sophisticated. There are tricky ways that ransomware can get into your system EternalBlue is just one of them. What works today may not work tomorrow when it comes to malware removal and protection. This is likely to continue to be the reality for the near future as network security has always been an arms race between the malware writers and network security software developers. The CDOT said "the breach was not through an email nor the result of employee error, but via a hole in system that was exploited." Unfortunately, even though the CDOT was running up-to-date network security tools, SamSam had evolved enough to slip right past them. The Colorado Department of Transportation (CDOT) said it was hit by SamSam on February 21, 2018. SamSam, another ransomware variant, has also made headlines (Opens in a new window). Unfortunately, the threat is back again due to some intrepid hackers porting EternalBlue to work with all versions of Windows.
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Fortunately, for a while this stopped being an issue in Windows 8 since the exploit was no longer effective against the way that Windows was handling memory management. It would slip in, do its dirty work, and spread to nearby systems that were vulnerable. The exploit's name was EternalBlue it gained quite a bit of notoriety in the public eye since the origin of EternalBlue was the Equation Group, a cyber-espionage group with suspected ties to the US National Security Agency (NSA), if you believe the sources. Its signature move was to use a back door in Server Message Block (SMB), the Microsoft Windows file sharing protocol. Probably the most well-known ransomware threat was 2017's WannaCry. While getting your data back isn't impossible to do without paying the ransom, it's difficult, so it's more likely you'll be digging though your most recent cloud backups by the end of the day. After all, the transaction is completely anonymous, and there is nothing to stop the attacker from graciously accepting your payment and then ignoring you. Unfortunately, even if you pay the ransom, you have no idea if you'll get your data back. In the meantime, you can't read your data anymore. First, by locking you out of your own data by using an encryption key only its owner knows, and then with a message to you stating that it will provide you that key as long as you pay up first. But then, once it's encrypted enough of your data, it makes itself known.
You won't notice ransomware when it's first deployed because all it does is silently encrypt your files. Ransomware, or cryptoware, is a form of malware that's the cyber equivalent of holding a hostage for cash, except in this case, the hostage is your company's data. If you pay the ransom fee, then you become another victim of the ransomware scourge that's been plaguing SMBs far and wide.
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Without a decryption key, the only option is to restore your PC from a recent backup, provided you have one. In the case of small to midsize businesses (SMBs), the data in their computers and systems could constitute viable client information, financial accounts, top-secret patents, and other types of priceless information.
These messages usually have a countdown timer, adding a sense of impending doom to an already stressful situation. You get locked out of your PC and you see a scary message appear on your screen demanding thousands of dollars worth of, say, Bitcoin (an anonymous form of payment that's kept in a cryptocurrency wallet) to be paid to an anonymous address. Since 1982, PCMag has tested and rated thousands of products to help you make better buying decisions. ( See how we test.)Ī ransomware attack is one of the most devastating malware scams that business users can experience.
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