Law firms are prime targets for cybercriminals, so it is perhaps unsurprising that there has been an increase in law firm cyberattacks in recent months. With the threat level now at unprecedented levels, protections must be increased to keep data secure.

Many law firm cyberattacks are targeted, with hackers seeking access to highly sensitive data, although law firms can just as easily fall victim to random attacks. Those attacks still have potential to cause considerable harm.

A recent security incident has showed just how easy it is for cybercriminals to conduct attacks and take advantage of unpatched vulnerabilities.

Zero-Day WordPress Vulnerability Discovered

WordPress is a flexible website content management system. It requires relatively little skill to update and WordPress sites can be easily managed. It is therefore no surprise that it has become one of the most popular website content management systems. There are more than 60 million websites running WordPress, with the platform popular with many SMBs, including law firms.

However, the popularity of the platform makes it a target for cybercriminals. Zero-day WordPress vulnerabilities provide cybercriminals with access to the sites and their associated databases.

When a new zero-day vulnerability is discovered, WordPress rapidly issues a patch. One zero-day WordPress vulnerability was recently discovered and the platform was updated rapidly as usual. Users of the site were urged to update to version 4.7.2 as a matter of urgency.

The reason for urgency was not announced until a week later after a significant proportion of WordPress sites had been updated. However, once the vulnerability was disclosed, hackers were quick to take advantage. Within 48 hours of the REST API vulnerability being disclosed, hackers started exploiting it on a grand scale. Sucuri was tracking the attacks and monitoring its WAF network and honeypots closely to see if hackers were actively exploiting the flaw.

The cybersecurity firm reports that it identified four different hacking groups that were exploiting the WordPress vulnerability. They were performing scans to find sites still running outdated WordPress versions and once vulnerable sites were identified they were attacked.

Law Firm Cyberattacks See Websites Defaced

The failure to update WordPress promptly resulted in more than 100,000 websites being attacked, according to figures from Google. Websites were defaced, additional pages added and the sites used for SEO spam. In this case, the aim was not to gain access to data nor to load malware onto the sites, although that is not always the case.

The speed at which the WordPress flaw was exploited shows how important it is to keep WordPress sites updated. Due to the popularity of the platform, had the hacking groups loaded malware onto sites, the number of individuals who could have been infected with malware would have been considerable.

The potential fallout from a website being hacked and defaced, or worse, from malware being loaded, can be considerable. Many small law firms were attacked as a result of failing to update their WordPress site within a week of the update being issued.

A defaced website, in the grand scheme of things, is a relatively quick fix, although such an attack does not inspire confidence in a company’s ability to keep sensitive data protected. For a law firm, that could mean the difference between getting a new client and that individual seeking another law firm.

In this case, the law firm cyberattacks could have been prevented with a quick and simple update. In fact, WordPress updates can be scheduled to occur automatically to keep them secure.

The take home message is not to ignore security warnings, to ensure that someone reads the messages sent from WordPress, and better still, to set updates to occur automatically.