GRC Viewpoint

The Essential Steps to Protecting Your System from Cyber Threats

Cybersecurity breaches have been on the rise, and it’s expected that by 2023, they will have grown to 15.4 million. Organizations can easily upgrade security measures due to technological advances. However, malicious hackers now have access to sophisticated tools. You can have strict cybersecurity policies. You must also take proactive steps to reduce risks. 

You must take advantage of data security as an organization. A cyber threat can cause big problems for a business. It can disrupt operations and steal customer data, which leads to revenue loss. Data breaches can also cause reputational damage and might take you out of business. 

Cyber Threats: 

Cyber threats are harmful actions that target networks, digital information, and computer systems. They aim to compromise their integrity, availability, or confidentiality. Various attacks occur, carried out by individuals, organizations, or groups with malicious motives. 

Types of Cyber Threats that businesses face: 

Cyber threats can harm businesses’ operations. Businesses encounter common types of cyber threats.

Ransomware: 

Ransomware attacks encrypt a company’s data. The attacker demands payment of a ransom before granting access. This attack can cause financial losses, operational disruptions, and data loss. 

Distributed Denial of Service (DDoS) Attacks: 

DDoS attacks overwhelm a company’s network or website with traffic, causing service interruptions. These attacks can disrupt operations and lead to downtime. 

Phishing Attacks:  

Phishing emails deceive people into revealing passwords, money, and personal information. Phishing attacks often use social engineering tactics to appear legitimate.  

Third-Party Risks:  

Companies that work with outside vendors or service providers might face cyber threats. The poor security practices of these entities can impact the business’s security.  

Business Email Compromise (BEC):  

BEC attacks target employees responsible for financial transactions. The attackers trick workers by pretending to be important people. They ask for money or information.  

Zero-Day Exploits: 

Zero-day exploits are attacks on software or hardware. They use vulnerabilities that the vendor or public does not know about. Until a patch is released, businesses remain vulnerable. 

Data Breaches:  

Data breaches happen when someone accesses and steals sensitive information without permission. A company with a data breach can get in trouble with the law and hurt its reputation. 

Insider Threats:  

People who work here or used to can be insider threats if they misuse their access. They might steal data or compromise our systems. Insider threats may be intentional or unintentional.  

Malware:  

Malware can infect company systems and steal data or disrupt operations. It includes viruses, Trojans, and spyware. Malware is often delivered through malicious attachments, downloads, or compromised websites.  

Credential Stuffing:  

Hackers get into company accounts and systems by using stolen login information. This is possible when employees reuse passwords across multiple accounts. 

Supply Chain Attacks:  

Attackers might go after a company’s suppliers or vendors. They want to mess up the software or hardware the business uses. This can lead to the distribution of malicious software within the organization.  

Social Engineering:  

Social engineering attacks trick employees into giving away confidential information or compromising security. This can include tactics like pretexting, baiting, and tailgating. 

IoT Vulnerabilities:  

As businesses use more IoT devices, they can become targets for cyberattacks. Inadequately secured IoT devices can provide entry points for attackers.  

Cryptojacking:  

Hackers might infiltrate a company’s systems to mine cryptocurrencies, using the company’s resources. This could slow down systems and make energy costs higher.  

To protect against cyber threats, businesses should invest in comprehensive cybersecurity measures. The package has antivirus software, firewalls, response plans, audits, training, and detection systems. You must stay ahead of cyber threats to keep your data safe and your business running smoothly. 

Ways to detect and prevent cyber threats: 

It’s important to find and stop cyber threats to protect your digital assets and data. Here are some key strategies and techniques to help you detect and prevent cyber threats: 

Detection: 

Network Monitoring:  

Analyze network traffic using monitoring tools to find unusual patterns, intrusions, or anomalies. Using Intrusion Detection Systems (IDS) and Intrusion Prevention Systems (IPS) can be helpful. 

User and Entity Behavior Analytics (UEBA):  

UEBA solutions apply machine learning to detect unusual user or entity behaviors. These behaviors may suggest unauthorized access or insider threats. 

Email Filtering:  

Use advanced email filters to find and stop phishing emails and harmful attachments. These can help prevent employees from falling victim to phishing attacks. 

Endpoint Detection and Response (EDR):  

EDR solutions watch for suspicious activity on computers, servers, and devices. They can also respond to threats automatically. 

Threat Intelligence Feeds:  

Stay updated on threats and attack methods by subscribing to threat intelligence feeds. This information can help you proactively defend against emerging threats. 

Web Application Firewalls (WAF):  

Use WAFs to safeguard web applications from attacks such as SQL injection and XSS. 

Vulnerability Scanning: 

Regularly scan your network and systems for known vulnerabilities using vulnerability assessment tools. Patch or mitigate vulnerabilities promptly. 

Security Information and Event Management (SIEM):  

SIEM systems gather log data from different sources to find security incidents. They help detect patterns that might indicate cyber threats. 

Prevention:

Access Control:  

To control access:

  1. Follow the principle of least privilege.
  2. Only give necessary permissions to users and systems.
  3. Use strong authentication methods like multi-factor authentication (MFA). 

In-built libraries: 

is a free online library for Cyber Security. It has many different libraries. to help you secure your application. 

Encryption:  

Encrypt sensitive data both at rest and in transit. This includes using HTTPS for web traffic, encrypting databases, and securing communication channels. 

Employee Training and Awareness:  

To keep staff safe online, teach them about phishing emails and social engineering. 

Secure Configuration:  

Ensure that systems and devices are set up securely. Follow industry guidelines and best practices. 

Firewalls:  

Configure and maintain firewalls to control incoming and outgoing network traffic. Use next-generation firewalls to filter application-layer traffic and block known threats. 

Regular Software Updates and Patch Management:  

To stay safe, update your software regularly. This includes operating systems, applications, and plugins. 

Regular Backups:  

Implement automated and secure backup systems for critical data. Regularly test backups to check if the data is safe from ransomware attacks. 

Endpoint Security:  

Install and regularly update antivirus and anti-malware software on all devices. Consider using endpoint security solutions that offer advanced threat detection capabilities. 

Third-Party Risk Management:  

Make sure third-party vendors and partners follow your security standards for cybersecurity. 

Secure Development Practices:  

Use secure coding practices to avoid problems when making custom software or applications. 

Incident Response Plan:  

Create and update a plan for responding to cyber incidents regularly. This plan should explain the steps to take to handle such incidents effectively. 

Security Audits and Penetration Testing:  

Make sure to check your systems and applications for vulnerabilities and weaknesses regularly. Use security audits and penetration testing. 

Remember that cybersecurity is an ongoing process. To protect against cyber threats, regularly update your detection and prevention measures. Cyber threats are always changing. To keep your organization safe, you must be proactive and well-informed about cybersecurity. 

Tips for protecting your system from threats: 

In the modern world, protecting your computer from online dangers is important. Here are some essential tips to help you safeguard your system: 

  • Use strong passwords. 
  • Keep software updated. 
  • Enable Multi-factor Authentication. 
  • Install reliable antivirus and Anti-malware software. 
  • Beware of phishing attacks 
  • Use a firewall. 
  • Regularly backup your data 
  • Be cautious with email and links. 
  • Stay informed. 
  • Implement security software and tools. 
  • Secure your Wi-Fi network. 
  • Practice safe social media use 
  • Secure mobile devices 
  • Implement user education. 
  • Use a VPN 
  • Regularly review permissions and privacy settings 
  • Develop an Incident Response Plan 

How do we respond to cyber threats?

To deal with a cyber threat, act fast to stop damage and lower risk to your systems and operations. Follow the below step-by-step guide on how to respond to a cyber threat: 

  1. Identify and verify the threat. 
  2. Isolate the affected systems. 
  3. Contain the threat. 
  4. Notify relevant parties. 
  5. Preserve evidence. 
  6. Engage Incident Response Plan 
  7. Determine the impact. 
  8. Mitigate the threat. 
  9. Recover and restore. 
  10. Communicate transparently. 
  11. Compliance and reporting 
  12. Learn from the incident. 
  13. Update security policies and training 
  14. Continuous monitoring and prevention 
  15. Legal and public relations considerations 

Every cyber threat is unique, and the response will vary depending on the incident. Having a well-written plan is crucial for quickly and effectively addressing online dangers. This plan should include a trained incident response team. 


By Arul Reagan, Experienced IT Professional

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