Attacks on Healthcare Jump 60% in 2019

Attacks on Healthcare Jump 60% in 2019 - So Far

Well-known Trojans Emotet and Trickbot are cybercriminals favorite weapons in their campaigns.

Cybercriminals are increasingly targeting hospitals, doctors offices, and other healthcare organizations, with attacks using Trojan malware climbing by 82% between the second and third quarters of this year.
Cyberattacks against healthcare organizations jumped 60% in the first nine months of the year, compared to all of 2018, according to a report published this week by anti-malware firm Malwarebytes.
While the healthcare industry is currently the seventh-most targeted industry by online malware, attackers seem to be aiming to infect more organizations, especially via Trojan malware focused on compromising and controlling computers. While Malwarebytes saw a growth rate of 45% in threats between Q3 and Q2 this year, Trojan attacks climbed by 82%, according to the firms Cybercrime Tactics and Techniques: The 2019 State of Healthcare report.
We were able to determine that healthcare is one of the top sectors that is being affected by cybercrime, says Adam Kujawa, the director of Malwarebytes Labs. You think about some of the attacks weve seen, such as what happened with WannaCry and the UKs National Health Service ... and you figure they would have focused more on security.
While attacks on local government agencies and public schools continue to make headlines, healthcare has been under constant attack since 2016, when Hollywood Presbyterian Medical Center acknowledged a ransomware attack
had infected its systems
. The healthcare groups lack of preparedness forced them to pay $17,000 — an inexpensive lesson, compared to todays ransoms.
Other threats, such as security research focusing on
attacking medical devices
and
medical breaches
, has forced other segments of the industry to pay attention to its security as well.
The
Malwarebytes report
may signal that healthcare companies have to continue to focus on cybersecurity.
Medical institutions are fighting an uphill security battle, as budget dollars are often diverted to research, patient care, or new technology adoption, the report says. Cybersecurity, then, is an afterthought, as doctors use legacy hardware and software, staff lack the security know-how to implement updates and patches in a timely manner, and many medical devices lack security software altogether.
In particular, attackers have targeted organizations with flexible programs that compromise systems and then allow attackers to infect the system with even more malicious code. Malwarebytes software detected, and blocked, more than 12,000 attempted installations of Trojan software in Q3, dominating other types of malware. Ransomware, the No. 2 threat, accounted for less than 2,500 attempted installations during the third quarter, the report stated.
Trickbot & Emotet
The main culprit recently is Trickbot, a Trojan that aims to compromise bank accounts and steal credentials. More recent versions of Trickbot have been used to spread ransomware and cryptocurrency mining software. The Trojan surged during the summer and fall of 2019, becoming the top threat to healthcare organizations, according to Malwarebytes telemetry data.
Trickbot has not slowed down around the world, Kujawa says. But we are seeing it focused on the medical industry right now.
Emotet, another former banking Trojan, surged at the beginning of 2019, according to Malwarebytes report. The malware is a modular framework that can be tailored to different attacks. It can drop additional programs such as ransomware, but also has spam functionality, hijacking e-mail conversations to make phishing attempts seem more real.
In 2018, attacks against enterprises using Trickbot and Emotet surged. The US Department of Homeland Security deemed it the most destructive threat to state, local, tribal, and territorial (SLTT) governments.
Emotet continues to be among the most costly and destructive malware affecting SLTT governments,
a 2018 DHS advisory stated
. Its worm-like features result in rapidly spreading network-wide infection, which are difficult to combat. Emotet infections have cost SLTT governments up to $1 million per incident to remediate.
Because they perform a critical service for a nations citizens, healthcare organizations need to improve their cybersecurity against the threat, Malwarebytes Kujawa says.
Unfortunately, healthcare has treated cybercrime as an afterthought, he says. These organizations, across the board, do not seem ready for — not even what was out there yesterday — nevermind what is out there now or what is coming down the future.
While the report focused on healthcare, Malwarebytes found that the education sector continues to be the top target of attackers. In 2016, security firm BitSight used external signs of compromise to identify the education sector
as the most compromised
.
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Attacks on Healthcare Jump 60% in 2019 - So Far