IT security encompasses the strategies, methods, solutions, and tools used to protect an organization’s data and digital assets. A comprehensive IT security strategy combines advanced technologies and human resources to prevent, detect, and remediate cyber threats, covering all hardware systems, software applications, endpoints, and network components, including physical and cloud-based data centers.
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What is IT Security?
Do I Need IT Security?
Over the past decade, the shift of business operations online has increased the risk of cyberattacks aimed at stealing sensitive information or damaging reputations. The rise of remote work, cloud adoption, and connected devices has expanded the attack surface, necessitating stronger security practices to protect cloud-based assets. Additionally, IT security is often legally mandated, with various countries requiring businesses to implement robust security measures and adhere to strict data privacy standards.
Types of IT Security
Cyber Security
Cybersecurity is the act of defending digital assets, including networks, systems, computers and data, from cyberattacks.
Endpoint Security
Endpoint security, or endpoint protection, is the process of protecting a network’s endpoints – such as desktops, laptops and mobile devices — from malicious activity.
Identity and Access Management
IAM involves the policies and technologies used to ensure that the right individuals access the right resources at the right times for the right reasons.
Cloud Security
Cloud security is the collective term for the strategy and solutions that protect the cloud infrastructure, and any service or application hosted within the cloud environment, from cyber threats.
Application Security
Application security refers to those measures taken to reduce vulnerability at the application level so as to prevent data or code within the app from being stolen, leaked or compromised.
Network Security
Network security uses tools, technologies, and processes to protect networks from cyberattacks, employing measures to block unauthorized access to data and resources.
Container Security
Container security is the continuous process of protecting containers — as well as the container pipeline, deployment infrastructure and supply — from cyber threats.
IoT Security
IoT security is a subsect of cybersecurity that focuses on protecting, monitoring and remediating threats related to the Internet of Things (IoT) and the network of connected IoT devices that gather, store and share data via the internet.
IT Security Risks
System disruptions, caused by hardware, network, or software failures, can halt business operations and harm revenue and reputation. More critically, cyberattacks aim to steal data and sensitive information. Common cyberattacks include:
An advanced persistent threat (APT) is a sophisticated, sustained cyberattack in which an intruder establishes an undetected presence in a network in order to steal sensitive data over a prolonged period of time. An APT attack is carefully planned and designed to infiltrate a specific organization, evade existing security measures and fly under the radar.
Malware (malicious software) is a term used to describe any program or code that is created with the intent to do harm to a computer, network or server. Common types of malware include viruses, ransomware, keyloggers, trojans, worms and spyware.
Phishing is a type of cyberattack that uses email, SMS, phone or social media to entice a victim to share personal information — such as passwords or account numbers — or to download a malicious file that will install viruses on their computer or phone.
A Denial-of-Service (DoS) attack is a malicious, targeted attack that floods a network with false requests in order to disrupt business operations. In a DoS attack, users are unable to perform routine and necessary tasks, such as accessing email, websites, online accounts or other resources that are operated by a compromised computer or network.
A distributed-denial-of-service (DDoS) attack is an attempt by malicious actors to render a service or a system (eg. server, network resource, or even a specific transaction) unavailable by flooding the resource with requests.
A botnet is a network of compromised computers that are supervised by a command and control (C&C) channel. The person who operates the command and control infrastructure, the bot herder or botmaster, uses the compromised computers, or bots, to launch attacks designed to crash a target’s network, inject malware, harvest credentials or execute CPU-intensive tasks.
An insider threat is a cybersecurity attack that originates within the organization, typically through a current or former employee.
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