Question Tag: Hacking Prevention

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  • 10 Marks

BMIS – April 2022 – L1 – Q5b – The internet, cloud computing, IS security and blockchain

Explain four measures to prevent the repetition of a hacking incident in a company’s network.

You are the Chairman of a committee appointed by the Management of your company to investigate the recent hacking of the firm’s computer network and consequent loss of very sensitive information, which disrupted operations for some days.

Required:
State and explain FOUR (4) measures which can be put in place to forestall the repetition of such an incident in the future. (10 marks)

Preventive Measures Against Network Hacking:

  1. Encryption:
    Encryption converts sensitive information into a secret code that can only be decrypted by authorized users with the correct key. This ensures that even if hackers gain access to the data, they cannot read or use it without the decryption key. Implementing strong encryption protocols for data storage and transmission is essential for protecting sensitive information.
  2. Intrusion Detection System (IDS):
    An IDS monitors network traffic for suspicious activities or potential security breaches. It alerts the security team in real-time when it detects any unusual behavior, enabling them to respond promptly to prevent or mitigate a hacking attempt. Regular updates and maintenance of the IDS are crucial for its effectiveness.
  3. Biometric Systems:
    Biometric systems use unique physical characteristics, such as fingerprints, facial recognition, or iris scans, to authenticate users. These systems provide a higher level of security compared to traditional password-based methods, as they are much harder to replicate or steal. Implementing biometric authentication can significantly reduce unauthorized access to the network.
  4. Periodic Audits:
    Regular information systems audits help identify vulnerabilities in the network and ensure that security protocols are up to date. These audits can uncover weaknesses that hackers might exploit, allowing the company to address them before a breach occurs. Audits should be conducted by both internal teams and external cybersecurity experts for a comprehensive assessment.
  5. Firewall Installation:
    A firewall acts as a barrier between the company’s internal network and external threats. It filters incoming and outgoing traffic based on predefined security rules, blocking unauthorized access while allowing legitimate communication. Installing and properly configuring firewalls can prevent many types of cyberattacks.
  6. Access Restrictions:
    Limiting physical and network access to sensitive systems and data to only those employees who absolutely need it reduces the risk of internal and external breaches. Implementing multi-factor authentication (MFA) and regularly updating access controls are also effective measures in securing the network.
  • 10 Marks

BMIS – May 2016 – L1 – Q7b – The internet, cloud computing, IS security and blockchain

State five measures that can be put in place to prevent hacking of a company’s computer network.

Your company’s computer network was recently hacked into by fraudsters, stealing sensitive information. This has affected the credibility of the company. State FIVE measures that can be put in place to prevent a repetition of such an incident in the future.

i) User Authentication: This process ensures and confirms that the person trying to access the system has the right to do so by requesting certain information before the system opens up. It may request a username and a password.

ii) Encryption: With this, any information that is saved or being transmitted is converted from plain code into cipher text or a secret code that can be decrypted using a special code by the recipient of such information.

iii) Restrictions: The company can also restrict physical access to its servers and mainframe computers by some people in order to prevent crimes.

iv) Regular Audits: The company must regularly conduct information systems audits on its database management systems to check whether there is an attempted intrusion.

v) Biometric Systems: The company can also install computer systems that use a person’s traits to detect differences by comparing them to stored data.

vi) Public Key Infrastructure (PKI): This enables the firm’s users of unsecured public networks, such as the internet, to securely and privately exchange data through the use of a private and public cryptographic key pair that is obtained and shared through a trusted partner.

vii) Intrusion Detection System: This software monitors systems and network resources and notifies the company’s network security personnel when it senses a possible intrusion in order to put in preventive measures.

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