Some websites contain indecent or obscene content and are clearly not suitable for children and young persons. There are software tools available that can help filter out websites that are not suitable for children, monitor your children's online activities, and limit the amount of time your child spends online.
Some examples on how to assess the impacts of potential consequences of unauthorised authentication for determining the overall assurance level of respective service / transaction scenarios.
It may not be possible to understand every piece of security knowledge and skills by yourself. Learn how to make use of other sources of assistance. For example, discuss with your friends, consult your business partners, or search the Internet.
There are three basic authentication factors (i.e. “what the user knows”, “what the user has”, and “what the user is or does”) commonly referred to in an authentication system.
To prevent unauthorised users from gaining access to protected resources, secure authentication systems are required to ensure that users are who they claim to be.
Web applications can provide convenience and efficiency, there are also a number of new security threats, which could potentially pose significant risks to an organisation's information technology infrastructure if not handled properly.
Virutal Private Network (VPN) security is an increasing demand nowadays to connect to internal networks from distant locations. Employees often need to connect to internal private networks over the Internet (which is by nature insecure) from home, hotels, airports or from other external networks.
This involves the development of a Business Continuity Plan (BCP) designed to ensure the recovery of critical business activities from natural or man-made failures or disasters to an acceptable level within a predefined time frame, thereby minimising the impact of losses to the organisation. Implementing a BCP is essential for every business.
To contain the problem of unsolicited electronic messages, the Unsolicited Electronic Messages Ordinance ('UEMO') and the Unsolicited Electronic Messages Regulation ('UEMR') have been enacted in 2007. The UEMO regulates the sending of 'commercial electronic messages' with a 'Hong Kong link'.
At any time of day or night, a huge amount of data is being stored, retrieved and transferred in the average company or organisation. As a responsible user, you must know how to protect your data and prevent data theft from mobile devices.
SMEs can implement a variety of methods to reduce the amount of incoming spam, such as protecting company email addresses, using filtering software and adopting well-defined security measures for employee workstations and email servers.
Security training is crucial to ensuring that all related parties understand the security risks, and accept and adopt good security practices. No protection procedure is effective without proper execution by well-trained staff. You must ensure that your staff possess the necessary skill sets.
Information is a valuable asset to your business. The use of proper preventive measures and safeguards reduces the risk of successful security attacks, which might otherwise cost you a large fortune.
A backup is a representative copy of data at a specific time. The phrase 'backup and recovery' usually refers to the transfer of copied files from one location to another, along with the various operations performed on those files.
The security management cycle starts with an assessment of the security risks. Security Risk Assessment is done to identify what security measures are required. It is the initial step in evaluating and identifying the risks and consequences associated with vulnerabilities, and provides a basis for management to establish a cost-effective security program.
Following the results obtained from your security risk assessment, the security management cycle enters a phase of implementation and maintenance, where appropriate security protection measures and safeguards are implemented in a way that builds a secure protection framework. This includes developing security policies and guidelines, assigning security responsibilities and implementing technical and administrative security measures. All these steps are crucial in contributing to the safeguards of your business assets.
Your computer facilities are an important asset of your company; they also contain valuable information for you. Take the step to protect these assets.
After reviewing the results of security risk assessment, safeguards will be identified and evaluated for their effectiveness in reducing the likelihood and impact of identified threats and vulnerabilities to an acceptable level.
The office network provides the core services to the company. Everyone utilises this shared medium to do productive work, including file sharing, printing, emailing and web browsing.
DDoS attack attempts to consume both network bandwidth and server resources of the targeted organisation. Large scale DDoS attack is often performed by botnets which can co-opt numerous infected computers, which usually spreading across different points around the world, to unwittingly participate in the attack.
DNS has no built-in security feature and DNS data could be tampered. If the DNS response is tampered, a user might be redirected to a malicious website. To protect from falling victim to DNS threats, measures at different levels could be adopted.
The popular tools and technologies of modern daily life, like mobile phones, webmail, instant messaging services, removable storage media, and wireless access to the Internet, have given everyone the ability to easily carry and handle large amounts of data.
When any IT operation of an organisation is contracted out, the external service provider (or the outsourcing vendor) may effectively become an “insider”, handling sensitive and important information for the company.
Physical protection of your computer equipment is also important. Like any other valuable asset you possess, consider using the following tools or methods to protect your computer physically
An Information Security Incident is an adverse event in an information system and/or a network that poses a threat to computer or network security in respect of availability, integrity and confidentiality.
Given that attackers are now moving away from attacks that are merely a nuisance or destructive towards activity that is motivated by financial gain, malicious code attacks have become more sophisticated and a significant concern to organisations.
To help organisations understand at what point in their wireless network deployments a recommended security best practice might be relevant, we outline here a five-phase lifecycle model for network deployment and point out security issues that need special attention.
Try to avoid visiting phishing websites that imitate sites of well-known organisations. These are purposely setup to collect sensitive information from visitors, such personal information, usernames and passwords, in a fraudulent manner. This type of activity is notorious, and is known as phishing.
Identity management in an enterprise is a combination of processes and technologies to manage and secure access to the information and resources of an organisation.
Electronic authentication (e-Authentication) is the process of establishing confidence in user identities presented electronically to an information system. This may involve verifying with “what the user knows”, “what the user has”, and/or “what the user is or does”. The greater the number of factors being verified, the higher the confidence can be established.
Encryption is a process for scrambling and transforming data from an easily readable and understandable format (such as Plain Text) into an unintelligible format that seems to be useless and not readily understandable (known as Cipher Text).
Do not follow URL links from un-trusted sources or emails such as spam emails to avoid being re-directed to malicious websites by malicious links looking seemingly legitimate.
Spam has become a major problem for almost every email user. We all need to spend time cleaning away the massive amount of unwanted and unsolicited email messages everyday.
Don't forget to implement necessary security measures when you set up your new PC at home. Just taking a new computer out of the box and connecting it to the Internet is not safe. You are exposing your PC to a number of security risks, such as virus and malicious codes infection, spam emails, denial of service attacks, disclosure of personal or sensitive information and so on.
A firewall is a tool that can either be hardware or software. Its purpose is to protect computers against threats from intruders breaking into your computer or network via the Internet.
From time to time, software bugs are discovered in applications running on your PC. Software vendors will then release one or more 'patches' to fix the weaknesses. At the same time, hackers can take advantage of these weaknesses to attack the unpatched PCs.
All software products, including operating systems and software applications, have a lifecycle. Any software products could reach their end of support date and become outdated. End of support refers to the date when the software vendor no longer provides security updates, patches or customer support, etc. Any new vulnerability discovered in the software product after its end of support will not be addressed by new security updates.
This section provides information on data deletion, and the proper way of disposing computers or storage media in order to prevent unwanted disclosure of information.
The followings are some security measures / good practices to reduce the risks and avoid privacy breaches when hosting VC meetings or using VC solutions.
The use of computer, the Internet and telecommunication or information devices has brought us much convenience in all kinds of our daily pursuits, from learning, leisure, personal communication to conducting business activities. However, at the same time, the convenience of this virtual space has created a great potential for abuse by criminals.
Botnets are serious security threats to the Internet and they account for a majority of email spam, identity theft, phishing and distributed denial-of-service (DDoS) attacks.
Core Security Principles are some generally accepted principles that address information security from a very high-level viewpoint. These principles are fundamental in nature, and rarely change.
DNS-based attacks are becoming highly sophisticated and volumetric. Attackers are increasingly adopting multifaceted techniques to exploit different DNS components.
Data breach is a security incident in which data are accessed, altered, erased, stolen or leaked from a system without the consent of the system’s owner.
In recent years, deepfakes have attracted public attention for their malicious uses in the creation of fake videos, forged images and financial fraud, resulting in the spread of misinformation or disinformation which can potentially erode the reputation of businesses and trust among people. Nowadays, tools that create deepfakes are becoming more readily available. Plausible deepfakes have elicited public responses to detect and limit their use.
Identity theft is a criminal act of getting hold of personal data of others without their knowledge or permission with an intent to defraud. The personal data is used by identity thieves to impersonate the data subjects for fraudulent purposes.
An insider threat is a security risk that originates from within an organisation. It typically involves current or former employees, and outsourced business associates who have access to sensitive information or privileged accounts.
Malicious code refers to computer viruses, worms, spyware, Trojan Horses and other undesirable software. Attack made by using such software is to cause disruption either by deleting files, sending emails, or rendering the host system inoperable.
Phishing emails often look 'official', some recipients may respond to them and click into malicious websites resulting in financial losses, identity theft, and other fraudulent activity.
Ransomware is a malicious software that cyber criminals used to lock the files stored on the infected computer devices. These locked files are like hostage and the victims are required to follow the instructions of this malicious software and pay a ransom to unlock them.
Supply chain attacks are becoming increasingly popular since attackers can access systems of multiple organisations through trusted third-party vendors.
