If you hold sensitive data, you’re a target for cyber threats. It doesn’t matter how large or small your organization is. That’s why it’s crucial for you to be fully aware of all possible network security vulnerabilities and threats that could affect your IT systems.
| “As business networks expand, new vulnerabilities appear. Awareness is especially crucial in an age where most operations are dependent on online connections.” – Brian Lynch, Chief Executive Officer, Bakersfield Networks |
Not all networks have the same security risks. For example, the more users you have connected to your network, the more potential there is for human error – and human error is the root cause of 88% of data breaches.
Knowing your network’s biggest possible risks is your first step toward tailoring the ideal network security strategy for your business. However, before you begin that step, you need to understand the information security vulnerabilities and threats that are out there.
This article will go over the top six network security threats and vulnerabilities. We’ll also explain what the difference between a network vulnerability and a threat is and show you how you can react to both.
What’s The Difference Between a Network Security Vulnerability & a Threat?
A network security vulnerability is a weakness in a system that can be exploited to compromise security. This could be due to software flaws, configuration issues, or lack of necessary updates. By comparison, a threat is any potential danger that aims to exploit a vulnerability, such as malware, hacking attempts, or insider attacks.
In simple terms, a vulnerability is a security gap and a threat is what may take advantage of that gap. So, in this sense, reducing your network security vulnerabilities will also reduce potential threats.
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6 Types of Vulnerabilities in Network Security
1. Unpatched Software
Unpatched software includes applications, operating systems, or firmware that have not been updated to fix known vulnerabilities. Attackers can exploit these weaknesses to gain unauthorized access to systems or data. In fact, this tactic surpassed credential theft as the most common way to infiltrate a network as of 2022 onwards.
2. Outdated Security Protocols
Outdated security protocols, such as SSL or early versions of TLS, have known vulnerabilities that attackers can exploit. Attackers can intercept transmissions to manipulate or steal the data being sent over the network using a gap in an outdated protocol.
3. Software Bugs
Software bugs are flaws or errors in programs that can be exploited by attackers. Exploiting software bugs can allow attackers to execute arbitrary code, escalate privileges, or cause system crashes.
4. Inadequate Access Controls
When users have more privileges than necessary, it can lead to accidental or malicious data access or modification by unauthorized individuals. The result may be data corruption, unauthorized data disclosure, or operational disruptions.
5. Weak Passwords
Weak passwords are easily guessable or common passwords. Attackers can crack these using brute force methods or simple guessing techniques. Once cracked, attackers can access user accounts, leading to potential data theft or further network infiltration.
6. Misconfigured Firewalls
Misconfigured firewalls can create openings for unauthorized traffic. Incorrect rules or policies may allow attackers to bypass security controls and access the network. This can result in unauthorized data access, data leaks, or malware infiltration.
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6 Types of Network Security Threats
1. Phishing
Phishing involves attackers sending fraudulent messages to trick individuals into revealing sensitive information, such as login credentials or financial details. These messages often appear legitimate and may come from seemingly trustworthy sources. Smaller businesses are 350% more likely to fall victim to phishing attacks than larger businesses.
2. Distributed Denial of Service (DDoS) Attacks
DDoS attacks occur when multiple compromised systems flood a target with excessive traffic. The goal is to make the network or website unavailable to users. This can result in significant downtime, financial losses, and damage to the organization’s reputation.
3. Man-in-the-Middle (MitM) Attacks
MitM attacks happen when an attacker secretly intercepts and relays communication between two parties. This allows the attacker to eavesdrop, alter, or steal data without the knowledge of the communicating parties.
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4. Ransomware
Ransomware accounts for 28% of all cyber attacks. Ransomware is malicious software that encrypts a victim’s data. Attackers demand a ransom payment to provide the decryption key, effectively holding the data hostage until the payment is made.
5. Advanced Persistent Threats (APTs)
APTs involve attackers gaining prolonged access to a network. They remain undetected for extended periods to steal confidential data or monitor system activities. These attacks are often highly sophisticated and very targeted.
6. Insider Threats
Insider threats come from within the organization. Employees or other insiders, such as partners or third-party vendors, may intentionally or unintentionally compromise network security. Examples include data theft, sabotage, accidental data leakage, or accidental deletion.
How to Avoid These Common Network Vulnerabilities & Threats
| Unpatched Software | Regularly update and patch all software, applications, and operating systems to fix known vulnerabilities. |
| Outdated Security Protocols | Upgrade to the latest security protocols (e.g., TLS 1.3) and deprecate outdated protocols such as SSL. |
| Software Bugs | Conduct regular code reviews, automated testing, and vulnerability assessments to identify and fix software bugs. |
| Inadequate Access Controls | Ensure users only have the necessary permissions for their roles. |
| Weak Passwords | Implement strong password policies, including the use of complex passwords and regular password changes. |
| Misconfigured Firewalls | Regularly review and update firewall rules and configurations to ensure they align with security policies. |
| Phishing | Educate employees on recognizing phishing attempts and implement email filtering solutions to block phishing emails. |
| DDoS Attacks | Use DDoS protection services and implement traffic monitoring to detect and mitigate DDoS attacks early. |
| MitM Attacks | Use end-to-end encryption for all communications and implement strong authentication methods to prevent MitM attacks. |
| Ransomware | Implement regular data backups, use antivirus software, and educate users on avoiding suspicious links and downloads. |
| APTs | Employ advanced threat detection tools, conduct regular security audits, and implement network segmentation. |
| Insider Threats | Implement user activity monitoring, conduct regular security awareness training, and enforce strict access controls. |
Prevent Most Types of Attacks in Network Security With Expert Help
Staying ahead of outdated software and evolving cyber threats isn’t easy when you have a business to run. That’s why most businesses rely on in-house or outsourced experts to keep their IT networks secure.
If you don’t have them in-house, you can get them from Bakersfield Networks. We offer high-end cybersecurity services at a price that’s accessible to most SMBs. We can also fully take over your IT management practices to help reduce your risk of new vulnerabilities.
Our services also include:
Contact us today to learn more.