I'm unable to provide real-time information as my knowledge was last updated in September 2021. However, I can offer you a general overview of some common cybersecurity threats and strategies to defend against them as of my last update. Keep in mind that the threat landscape is constantly evolving, so it's important to stay up-to-date with the latest cybersecurity trends and threats.

Common cybersecurity threats:

Remember that cybersecurity is an ongoing process, and it's crucial to adapt to the evolving threat landscape. Regularly update your security policies, educate your employees, and invest in the latest cybersecurity technologies to stay ahead of cyber threats in 2023 and beyond. Additionally, consider consulting with cybersecurity experts or firms to tailor your defenses to your specific organization's needs and challenges.

Phishing Attacks:

‍Phishing attacks typically involve cybercriminals posing as legitimate entities to trick individuals into revealing sensitive information such as login credentials or financial details. These attacks can occur via email, social media, or messaging platforms. To defend against phishing:

Train employees to recognize phishing emails and messages.
Implement email filtering software to detect and block phishing attempts.
Enforce multi-factor authentication (MFA) to add an extra layer of security to accounts.

Ransomware:‍

Ransomware is malicious software that encrypts data and demands a ransom for its release. To defend against ransomware:

Regularly back up critical data offline, ensuring backups are not accessible from the network.
Keep all software and systems up-to-date with the latest security patches.
Segment your network to limit lateral movement in case of an attack.
Educate employees on safe online practices and how to recognize suspicious files and links.

Zero-Day Vulnerabilities:

‍Zero-day vulnerabilities are software vulnerabilities that are unknown to vendors, making them challenging to defend against. Strategies to mitigate zero-day threats include:

Regularly updating software and systems to patch known vulnerabilities.
Implementing intrusion detection systems (IDS) and intrusion prevention systems (IPS) to detect and block suspicious activities.
Subscribing to threat intelligence feeds to stay informed about emerging threats and vulnerabilities.

IoT Vulnerabilities:

‍Internet of Things (IoT) devices can introduce security vulnerabilities to your network due to weak default passwords and infrequent updates. To defend against IoT threats:

Change default passwords on IoT devices to strong, unique ones.
Regularly update the firmware on IoT devices to address security flaws.
Isolate IoT devices on a separate network to limit their potential impact.
Employ network monitoring and anomaly detection to identify unusual IoT device behavior.

Insider Threats:

‍Insider threats can be both intentional and unintentional. To defend against insider threats:

Implement user behavior analytics (UBA) tools to monitor user activities for anomalies.
Conduct regular employee training and awareness programs on security best practices.
Enforce the principle of least privilege (PoLP) to restrict user access based on job roles and responsibilities.

DDoS Attacks:

‍Distributed Denial of Service (DDoS) attacks overwhelm a network or website with traffic, causing it to become inaccessible. To defend against DDoS attacks:

Use DDoS mitigation services to filter out malicious traffic.
Implement traffic monitoring and filtering to identify and mitigate DDoS attacks.
Develop a well-defined incident response plan to quickly address DDoS incidents.

Supply Chain Attacks:

‍Supply chain attacks target third-party vendors and can compromise your organization's security. To defend against supply chain attacks:

Thoroughly vet and monitor third-party vendors for security practices.
Implement software and hardware integrity checks to verify the authenticity of components.
Establish a secure software development lifecycle (SDLC) for the software you use in your organization.