Feature updates can come and go, but when Microsoft releases a security update, you need to install it as soon as possible. This is because hackers are constantly looking for software bugs to exploit, and in Microsoft’s case, cybercriminals have found a serious vulnerability in Word.

The attack
On April 10, cybersecurity firm Proofpoint discovered scammers running email campaigns to trick people into clicking malware-ridden Word attachments. The fraudulent emails, simply titled “Scan Data,” included attached documents that were named “Scan,” followed by randomized digits.

Although the emails seem harmless, clicking on the documents triggers a download for Dridex malware, a Trojan virus designed to give hackers direct access to your banking information. From there, they can simply log in to your online account and make unauthorized transactions under your name.

In 2015, the distribution of Dridex allowed cybercriminals to steal approximately $25 million from European accounts. And if your business fell victim to this malware, there’s a possibility your company might not be able to recover from the loss.

The solution
Fortunately, two days after the discovery of the bug, Microsoft released a security update to disable the dangerous documents, urging users to install the patch as soon as possible. But even though Dridex was inoculated relatively quickly, employees continue to be the biggest problem.

Like most malware attacks, Dridex was distributed via phishing campaigns that preyed on a victim’s trust and curiosity. Hackers added barely any text to the email, yet people were still fooled into clicking on dangerous links.

To make sure Dridex never reaches your company, you must provide comprehensive security awareness training. In your sessions, encourage employees to practice safe computing habits, which include being cautious of online links, setting strong passwords, and avoiding downloads from untrusted and unknown sources.

Much like updating your software, keeping your staff’s security knowledge up to date on the latest threats is also imperative. Ultimately, your goal is to have employees with a security-focused mindset when browsing the web.

Of course, if security training and cybersecurity solutions are not your company’s specialties, you can always rely on a trusted managed services provider like us to protect your business. We can update and secure your systems regularly, and make sure your staff are actively doing their part to reduce security risks. Contact us today!

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