Holiday Time - New CyberAttacks Risks for your Business
Holiday Time - New CyberAttacks Risks for your Business - by Alessandro Civati

Holiday Time - New CyberAttacks Risks for your Business

The holidays are an opportunity for people to take time off work and enjoy time with family and loved ones. During this period, people's minds are turned away from work that cybercriminals plan sinister attacks. 

Why During the Holidays?

Attackers will never give businesses a breather at any point during the year. The holidays present attackers with the opportunity to plan and execute a successful compromise. Security researchers have reported a 30% increase in the number of attempted ransomware attacks around the globe during the holiday season in consecutive years from 2018 to 2020. There has been a reported 70% increase in attempted ransomware attacks in November and December compared to January and February. Companies are less prepared to fend off a cyberattack with employees having departed for the holidays. 

In addition, employees and other end-users rarely think about cybersecurity when opening emails and surfing the web for holiday deals. Most people will let their guard down in one way or another as they become distracted by the prospect of enjoying the holidays. A distracted end-user and the mindless opening of emails in pursuit of holiday discounts and offers will present attackers with the opportunity to mount phishing scams and malicious advertisements. 

Severely short-staffed businesses as cybersecurity and IT professionals proceed for the vacations are at increased risk. There are fewer resources to address potential challenges, risks, and breaches when they happen. 

The Cybersecurity & Infrastructure Security Agency and the FBI recently released a general alert for businesses to increase vigilance against ransomware attacks during the holiday season. The following are the most common cybersecurity risks during the upcoming holiday season. Organizations must remain on guard to protect their data and operations. 

Ransomware

Ransomware is the biggest threat to companies and their data during the holiday season. The risk of visiting malicious websites and successful phishing attacks increases exponentially, posing a significant threat to businesses. Ransomware is mischaracterized as an encryption problem. However, this misconception undermines the determination and creativity of attackers to break into networks and then crawl within an organization's digital environment to discover, steal and then encrypt data. Ransomware can be very costly to businesses. On average, ransomware attacks cost companies $4.62 million, including notification, escalation, lost business, and response costs. The cost doesn't include the demanded ransom amounts. 

Attackers entice users to click on malicious links carried in phishing emails or perform a drive-by attack using malicious web code on a hijacked website. The two methods act as a gateway for ransomware infection. Notable ransomware attacks on holidays include Memorial Day on JBS, the meat processing giant, and the Fourth of July attack on Kaseya, an IT management software company. 

Businesses can take a few measures to protect against ransomware, including putting in place:

  • Application whitelisting
  • Least privilege access
  • Micro-segmentation
  • Strong password policies and breached password protection
  • Phishing email filtering


Phishing Emails

Phishing emails are an easy way for attackers to compromise networks. A phishing email will look like communication from legitimate companies. Cybercriminals have become adept at making phishing emails appear like legitimate emails, including logos, wording, images, and styling. A lack of adequate security protections will see end-users click on malicious links and set in motion widespread damage. Without zero trust and micro-segmentation boundaries, ransomware will crawl freely within the network and infect everything a user account has permissions. 

During the holiday season, end-users are click-happy, never taking time to check email communication closely. Attackers are aware of this fact and will send a flurry of emails in an attempt to infiltrate an organization's network with a phishing attack.

The cybersecurity basics - phishing email filtering, disallowed attachments, and end-user cybersecurity training - will protect against phishing attacks.

Holiday Time - New CyberAttacks Risks for your Business - by Alessandro Civati

Data Breaches

Data breaches are another big challenge for organizations across the world. The implications of a data breach can be far-reaching both in terms of impact and financial losses. The costs of data breaches have increased from $3.86 million in 2020 to $4.24 million in 2021. 

Dara breaches will often occur due to malicious cyber-attacks, intentionally and unintentionally. Employees may deliberately or accidentally share data with unauthorized persons. Employees are typically distracted during the holiday season and may expose critical data. The increased threat of ransomware means that data leaks may happen at any time. 

Distributed Denial of Service (DDoS) Attacks

The holidays are also an opportune time to launch Distributed Denial of Service (DDoS) attacks. DDoS attacks have been found to increase around the holidays. Online shopping is a significant thing around the holidays, and it's a time when attackers launch DDoS attacks that are costly to businesses. Organizations need to put network mitigations and server technologies that protect significant DDoS. 

Breached Passwords

Cybercriminals are finding ways to compromise environments using stolen or compromised credentials. It's easier to obtain compromised credentials and mount considerable damage to business-critical data with minimal effort.

The same theme of distracted employees during the holidays is repeated, becoming easier targets. Ransomware attacks are being launched to harvest legitimate credentials and verified user accounts. Attackers also choose to buy user credentials on the dark web to eliminate the hard work of gaining access. 

Compromised credentials are the most commonly used initial attack vector, and they account for 20% of data breaches. Breached passwords are the most expensive cause of data breaches and lead to prolonged data breach lifecycles compared to other types of data breaches. Organizations need to bolster password policies and implement adequate breached password protection. 

Organizations need to bolster their cybersecurity strategies and posture during the holiday season to prevent these listed challenges. 


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Author: Alessandro Civati

Email: author.ac@bitstone.net

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Brian Page

Individual Contributor, Sales Eng, Network Architect - Retired Available for Select Challenges Security, IoT, RF 5G, VoIP, Optical

2y

Very good points and useful information. Cyber Security breaches will continue to increase from multiple angles. Expect 2022 to be a banner year as attacks are projected to increase – not good. We all need to step our cyber security hygiene posture. I am still amazed on how many people I have talked to that are not aware of understand the importance of MFA.  We need to be advocates to assist other people to improve their security.   There are some easy and immediate things we all can do to reduce the risks of attacks.   Be suspious, think before you click on a link - is this something legitimate.  Use other methods to verify account related activity and alerts. Do not click on links in text messages nor emails.   The use of Multi Factor Authentication MFA will improve the security associated with unauthorized access.  SMS based Authentication is better than No FA, however it can be compromised.   The Authentication and Authorization method needs to be appropriate to reflect the importance and value of the information. Use a Password manager with MFA, that can generate unique user IDs and complex passwords. Periodic Backups of the manager data is essential for recovery. Consider unique challenge questions and PINs. Take screenshots and store them in an Encrypted file, date them. Activate Account activity Alerts. Avoid if possible, using email, cellphone and reused log on IDs Credit Freezes – cannot stress the importance implementing this service. Most providers have an option for a temporary PIN for legitimate inquiries. Business – requests for large transfer of funds should require two authorizations. A second set of eyes may assist in uncovering fraudulent requests.   Network segmentation including as you mentioned including micro segmentation. Do you want your fish tank talking to your financial systems? Consider moving towards ZTNA-  Zero Trust Network Access within least privileges required to perform tasks. Limit east- west Lateral movement. Monitor and alert for unusual activities or attempts. Use separate logins for important key systems. Flows – consider restricting to limit authorized flows between devices and endpoints. This can take some time to set up, however it is worth the effort. Lock down unused ports and restrict protocols that are not necessary and test. Just in time access to open up key admin ports and unique credentials.   Monitoring and use of AI  AI can assist with analyzing the reams of data and provide actionable intelligence by looking for anomalous and abnormal activities and patterns.    Backups including air gapped solutions for critical data. Consider the use of services an include a service provider   Patch current – this applies to all devices including personal items Personal devices need to use Antivirus programs, there are a lot of free and inexpensive options.  VPNs should be considered when using public unsecured networks.

Amelia Martinez

Love is a stranger waving at you, don't think of danger, otherwise the stranger has already left.

3y

Great thought Why don't Endusers think about cyber security???

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