Blog Description

Evolution of Cybersecurity and The Zero Trust Model

ICT | Nov, 2023

In this technologically advanced world, cybersecurity has become integral for companies of merely all sizes. It is because their computer systems and networks that possess confidential and important data could become exposed to malicious actors. Majority of the businesses have become/are becoming more reliant on computer systems, with them having to adopt work from home solutions. This reliance, combined with the adoption of cloud services, IoT, AI, and smartphones, has led to various security vulnerabilities that didn’t exist few years back.

Securing anything that is confidential or private to any individual or a company is the focus of cyber security. Information that is considered confidential or sensitive includes, but not limited to:



  • Banking Information
  • Social Security Number
  • Business Plans/Proprietary Documentation/”Secret” Recipes, etc.
  • Names and Addresses of Clients/Customers

Evolution of Cybercrime Over The Years

Today, cybercrime is at an all time high, with attacks becoming more frequent, targeted, and sophisticated. In the 1980s, cybercrimes started to catch up with the advent of email. Early cybercrimes began involving emails to send viruses or perpetrate scams. Afterwards, with the introduction of social media in the early 2000s, cybercrimes began to take off, generating a large chunk of loss of personal information and the rise of ID theft.

According to TechSci Research Report “India Cyber Security Market - By Security Type (Network Security, Endpoint Security, Application Security, Cloud Security, Content Security, Others), By Solutions Type (Firewall, Antivirus & Antimalware, Data Loss Prevention, Risk & Compliance Management, Identity & Access Management, Intrusion Detection/Prevention System, Email Filtering, Secure Web Gateways, Encryption & Decryption, Others), By Deployment Mode (On-Premise v/s Cloud, By End Use Industry (BFSI, IT & Telecom, Defense, Healthcare, Energy & Power, Retail & E-Commerce, and Others), By Region, By Top 12 States, Competition, Forecast & Opportunities, FY2017-FY2027,” India Cyber Security market stood at USD2200.23 million in FY2021 and is forecasted to grow at a CAGR of 8.05% by FY2027, owing to the rising data breach, hacking attempts, phishing, snooping, foreign espionage, etc., along with a rise in demand to reduce information technology (IT) costs by using the resources of the cloud computing services.

Since the 1980s, cybercrime has caused nearly USD 6 trillion in damages and this figure is predicted to reach USD 8 trillion in 2023 and will grow to USD 10.5 trillion, by 2025. This signifies that the past ten years has seen a boom in cybercrime, turning it from a cottage industry into a big business. In conclusion, the rapid growth of technology has led to increase in cybercrimes and is thus essential to stay up to date on the latest cybersecurity technologies and trends to effectively combat these threats and safeguard sensitive data.



Cybersecurity Resilience: The Approach Begins With Team Training

Cybersecurity begins with employee/team training as it is a foundational element of a robust defense. Employees are the first line of defense within an organization, and their awareness and preparedness are paramount. Through team training, employees tend to gain an understanding of the myriad cyber threats, which includes phishing, malware, and social engineering, allowing them to identify and respond to potential risks. Training ensures top-notch compliance with cybersecurity policies and procedures, promoting secure behavior and reducing vulnerabilities.

  • Recognizing Phishing Attacks is one major benefit of employee training wrt cybersecurity. Training helps employees recognize phishing emails and messages, thereby reducing the likelihood of being victimized to fraudulent schemes.
  • The ability to strike off a Crisis Response is another benefit of employee training. This way employees are trained on how to respond in an event of security incident or a breach. This includes knowing whom to contact, how to minimize impact, what information to provide, among many others.
  • Reducing Insider Threats can be easily mitigated through employee training. Insider threats can be both intentional or accidental and beneficially, through training, employees tend to learn the importance of protecting sensitive information and get the ability to identify and report suspicious behavior inside the premises.
  • Training fosters a Cybersecurity-Aware Culture within the organization. It helps because when security of a business/organization becomes a shared responsibility, employees also become proactive in addressing and identifying potential threats.
  • Policy Compliance is another aspect which cybersecurity training ensures that employees are aware of and understand the organization’s cybersecurity procedures and policies. This step leads to better compliance with security protocols, thereby reducing or eliminating vulnerabilities.

Thus, by continuously updating employees on new threats and defense strategies, training remains an ongoing process to adapt to evolving cyber risks. Ultimately, the cost savings associated with effective training, which can prevent costly data breaches and reputational damage, make it a sound investment in an organization's cybersecurity strategy.

 

Embracing the Zero Trust Model: Reinventing Cybersecurity Measures

In today's interconnected digital landscape, where cyber threats are ever evolving and data breaches are an unfortunate reality, traditional security models can no-doubt fall short in protecting sensitive information and critical systems. In response to these challenges, the Zero Trust security model has emerged as a game-changing approach to cybersecurity.

The Zero Trust security model is based on a simple but powerful concept: Never Trust, Always Verify. Unlike traditional security models that assume trust once a user or device gains access to a network, Zero Trust operates on the premise that trust should never be assumed, regardless of whether the user is inside or outside the network perimeter.

First and foremost, the proliferation of cyber threats in recent years has made it abundantly clear that traditional perimeter-based security measures are no longer sufficient to protect an organization's sensitive data and critical assets. Legacy security models typically relied on the assumption that once inside the corporate network, users and devices could be trusted implicitly. However, the rise of sophisticated and persistent threats, such as advanced malware, phishing attacks, and insider threats, has proven this assumption to be fatally flawed. In contrast, the Zero Trust model recognizes that threats can originate both from external and internal sources, and it is essential to scrutinize all traffic and activities regardless of their source.


Core Principles of Zero Trust Model

The core philosophy of Zero Trust starts with the fundamental principle of Identity Verification of the user and devices before granting access to any network resource. Multi Factor Authentication is considered the best way to ensure that only authorized individuals or devices can gain entry. MFA typically requires something to be known, for instance a passcode or password, making it more difficult for unauthorized access.

Access Control in a Zero Trust model is strict and dynamic. Access to resources is determined by policies and rules, and these access decisions are made dynamically based on the context of the user, device, and the resource being accessed. For example, if a user's behavior or device health changes, their access permissions can be adjusted in real-time to reflect the new security posture.

The Zero Trust Model believes and stands firm on its practicality and implementation of Data Encryption. Data should be encrypted both in transit (while it's being transmitted across the network) and at rest (when it's stored on devices or servers). This ensures that even if an attacker gains access to the network, they won't be able to easily intercept or access sensitive data.

Lateral Movement Prevention is another core principle of the Zero Trust Model. It focuses on minimizing or preventing the horizontal spread of threats within a network or system once an initial breach or compromise has occurred. In a Zero Trust framework, it's understood that attackers may gain access to certain parts of the network, so the goal is to limit their ability to move laterally and escalate their privileges.

Micro-Segmentation is a network security strategy that plays a crucial role in the Zero Trust model. It involves dividing a network into smaller, isolated segments or zones, each with its own unique set of security policies and controls. The primary goal of micro-segmentation is to enhance security by limiting lateral movement within a network and reducing the attack surface.

Zero Trust Model often tends to leverage Automation and Orchestration to streamline security processes. Automated tools can continuously collect and analyze data, respond to security incidents, and enforce access controls in real-time. This reduces the reliance on manual intervention, which can be slow and prone to human error.




3 Example Use Cases of Zero Trust Model

Implementing Zero Trust Model For Partner and Third-Party Access

Though collaboration with suppliers, external partners, and vendors is common, granting them access to internal systems poses significant security risks. Traditional perimeter-based approach struggles to secure external access effectively. Zero Trust addresses this challenge by treating every other external entity as foreign and untrusted.

Implementation Process

  • Experts suggest developing a comprehensive partner onboarding process that includes identity verification, access policy definition, and security training for external entities.
  • Make access restricted to only what is necessary for the collaboration. It is relevant and important to define access policies based on the core principle of least privilege.
  • Establishing secure connections and communication channels is a mandate for external access. The process may even involve setting up a VPN to ensure secure transmission of data.
  • Data encryption remains a significant part of the implementation process. It is recommended to encrypt shared data, both in transit and at rest.


IoT Device Protection With Zero Trust Model

Although IoT and other connected technologies have become commonly prevalent today, they are known for their vulnerabilities and is the reason why these technologies are often targeted by cyberattacks. Therefore, implementing the principles of Zero Trust Model does enhance the security of IoT ecosystems.

Implementation Process

  • Deploying IoT-specific monitoring solutions is beneficial in detecting unusual behavior or security anomalies. This may involve monitoring network traffic, device activity, and data flows.
  • Creating isolated network segments for IoT devices is considered one significant step. Experts suggest ensuring that these segments have limited access to critical systems and the desired communication with IoT devices is done through controlled gateways.
  • Implementation of a device health monitoring system would significantly help in assessing the functionality and security of IoT devices. Non-compliant devices should be immediately quarantined.

Cloud Security with Zero Trust

Cloud computing offers numerous advantages, such as scalability, cost-efficiency, and accessibility. However, it also introduces new security concerns, including data breaches, misconfigurations, and insider threats. The traditional perimeter-based security model is ill-suited for the cloud era, where data and applications are hosted on remote servers and accessed from various locations and devices. Zero Trust provides a robust framework to secure cloud environments by treating every access request as potentially untrusted, regardless of the source.

Implementation Process

  • It is recommended to start it by conducting a thorough assessment of your organization’s cloud environment. Initiate it by identifying existing vulnerabilities, misconfigurations, and probable security vulnerabilities.
  • Utilize encryption features provided by your cloud provider or third-party encryption solutions, depending on your specific requirements.
  • It’s also necessary to define access policies considering factors like device health, user roles, location, and sensitivity of the resources being accessed, among others. In such situations, it is often suggested to use role-based access control (RBAC) to enforce these policies.


According to TechSci Research Report “United States Cyber Security Market - By Security Type (Network Security, Endpoint Security, Application Security, Cloud Security, Content Security, Others) By Solutions Type (Identity & Access Management, Risk & Compliance Management, Encryption & Decryption, Data Loss Prevention, Unified Threat Management, Firewall, Antivirus & Malware, Intrusion Detection/Prevention System, Infrastructure Security, Others) By Deployment Mode (On-Premise v/s Cloud) By End Use Industry (BFSI, IT & Telecom, Defense, Energy & Power, Retail, Healthcare and Others) By Company, By Region, Forecast & Opportunities, 2027,” United States cyber security market is expected to grow at a significant rate during the forecast period due to rise in number of cyber-attacks. Rise in the frequency of cyber-attacks led to huge business losses which resulted in huge expenditure on advanced security solutions to protect their security infrastructure.


Summing Up

Enforcing a Zero Trust model can significantly strengthen an organization's cybersecurity posture. This is achieved by minimizing the attack surface, preventing the lateral spread of threats, and maintaining constant vigilance through continuous monitoring and adaptable security controls. It's imperative to recognize that Zero Trust is not a one-time initiative but an enduring security philosophy that necessitates careful planning, ongoing monitoring, and the ability to adapt to evolving threat landscapes.

In today's interconnected and data-driven world, cybersecurity is not merely a defensive measure but a foundation that ensures the integrity, privacy, and trustworthiness of our digital lives. It's the shield against an ever-expanding array of threats, from sophisticated cyberattacks to data breaches and ransomware. As technology advances, so do the challenges, making cybersecurity an ongoing imperative for individuals, organizations, and nations alike. It's the assurance that our digital assets, personal information, and critical infrastructure remain protected, enabling us to embrace the full potential of the digital era with confidence and peace of mind.