An Increasingly Diverse Attack Landscape

SonicWall’s semi-annual Threat Report details an increasingly diversified cyber attack landscape amid shifting threat actor strategies. 

In particular, SonicWall recorded the second-highest year on record for global ransomware attempts, as well as an 87% increase in Internet of Things (IoT) malware and a record number of crypto-jacking attacks (139.3 million) in 2022.

“The past year reinforced the need for cyber security in every industry and every facet of business, as threat actors targeted anything and everything, from education to retail to finance,” said SonicWall President and CEO Bob VanKirk. “While organisations face an increasing number of real-world obstacles with macroeconomic pressures and continued geopolitical strife, threat actors are shifting attack strategies at an alarming rate.” he said.

Threat Actors Shift Strategies & Choose Covert Cyber Attack Methods

Global malware volume increased 2% year-over-year, but it was jumps in IoT malware (+87%) and cryptojacking (+43%) that offset the decline of overall global ransomware volume (-21%), signifying a strategic shift.

Threat actors have embraced slower and more stealthy approaches to achieve financially-motivated cyber attacks.

“Cyberattacks are an ever-present danger for companies of all sizes, putting their operations and reputation on the line,” said SonicWall's Threat Detection and Response Strategist Immanuel Chavoya. “It is crucial for organisations to understand attackers’ tactics, techniques and procedures (TTPs), and commit to threat-informed cyber security strategies to defend and recover successfully from business-disrupting events. “This includes stopping sophisticated ransomware attacks as well defending emerging threat vectors, including IoT and cryptojacking.” he said/

In addition to cyber attacks becoming more sophisticated and covert, threat actors are showing clear preferences for certain techniques, with notable shifts towards weak IoT devices, cryptojacking and potentially soft targets like schools and hospitals. 

Prominent ransomware attacks impacted enterprises, governments, airlines, hospitals, hotels and even individuals causing widespread system downtime, economic loss and reputational damage.

Following global trends, several industries faced large year-over-year increases of ransomware volume, including education (+275%), finance (+41%) and healthcare (+8%).

Diverse Attacks Offset Global Ransomware Decline

Cyber criminals are using increasingly advanced tools and tactics to exploit and extort victims, with state-sponsored activity growing as a concern. While ransomware continues to be a threat, SonicWall Capture Labs threat researchers expect more state-sponsored activity targeting a broader set of victims in 2023, including SMBs and enterprises.

The 2023 SonicWall Cyber Threat Report provides insight on a range of cyber threats, including:

Malware:  Total volume was up 2% in 2022 after three straight years of decline — just as SonicWall predicted in the a previous Cyber Threat Report.

Following that trend, Europe as a whole saw increased levels of malware (+10%) as did Ukraine, which had a record 25.6 million attempts, suggesting malware was used heavily in regions impacted by geopolitical strife. Interestingly, malware was down year-over-year in key countries like the US (-9%), UK (-13%) and Germany (-28%).

Ransomware:   Although overall ransomware numbers saw a 21% decline globally, the total volume in 2022 was higher than 2017, 2018, 2019 and 2020. In particular, total ransomware in Q4 (154.9 million) was the highest since Q3 2021.

IoT Malware:    Global volume rose 87% in 2022, totaling 112 million hits by year’s end. With no corresponding slowdown in the proliferation of connected devices, bad actors are likely probing soft targets to leverage as potential attack vectors into larger organisations.

Apache Log4j:  Intrusion attempts against the industry’s Apache Log4j ‘Log4Shell’ vulnerability eclipsed 1 trillion in 2022. The vulnerability was first discovered in December 2021 and has been actively exploited since.

Crypto-jacking:  Use of crypto-jacking as a ‘low and slow’ approach continued to surge, rising 43% globally, which is the most SonicWall Capture Labs threat researchers have recorded in a single year. The retail and financial industry felt the sting of crypto-jacking attacks, seeing 2810% and 352% increases, respectively, year-over-year.

Cyber attacks of all varieties continue to hinder organisations worldwide, “SonicWall’s annual intelligence report gives us a deeper understanding of the current threat landscape and helps breakdown why cyberattacks continue to be successful, as well as the drivers and trends behind them... By making this report available to partners, SonicWall helps elevate us as trusted advisors and strengthens our ability to provide sound security measures to our customers.”  said Keith Johnson, COO of the IT consulting firm, Logically

Patented RTDMI Discovered more than 465,000 ‘Never-Before-Seen’ Malware Variants in 2022

SonicWall’s patented Real-Time Deep Memory Inspection (RTDMI) technology identified a total of 465,501 never-before-seen malware variants in 2022, a 5% year-over-year increase and an average of 1,279 per day. Dating to 2019, this is the fourth straight year RTDMI increased its total of malware discoveries.


To learn more about SonicWall and get the complete 2023 SonicWall Cyber Threat Report  click > Here <


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