1. Security Education There are 2 important components of security training programs. Security training: this provides users with the knowledge they need to protect the organisations security Security Awareness: Keeps the lessons learned at the front of the users mind. EG: posters, email reminders etc… Security Training Methods instruction in onsite classes as part of new staff induction or orientation…
Security+ Course – 3.1 Security Design
1. Legislative and Regulatory Compliance Compliance Obligations There are 4 main types: Criminal law: deter and punish acts detrimental to society (murder, theft, hacking etc…). This can result in jail time Civil law: designed to resolve disputes between civilians, organisations etc… This cannot result in jail time Administrative law: Facilitate effective government by allowing agencies to carry out their duties.…
Security+ Course – 2.11 Securing Protocols
2.11.1 TLS & SSL Digital certificates allow for the secure exchange of public keys over otherwise untrusted networks. Types of encryption Symmetric Encryption: The same key is used for encryption and decryption. The issue with this method is that the key must shared to with the sender and receiver. Asymmetric Encryption (Public key): The recipient generates two keys. The public…
Security+ Course – 2.10 Mobile Device Security
2.10.1 Mobile Connection Methods Cellular Networks Available in most urban and suburban areas 1 single tower can cover distances of up to 20 miles Rated according to the generation of services WIFI Networks These cover shorter distances with greater bandwidth. Satellite Communications This works almost anywhere but is expensive and slow. Near File Communications (NFC) This covers distances measures in…
Security+ Course – 2.9 Host Security
2.9.1 – Operating System Security Security Settings There are many OS security settings. You should establish a baseline for OS security settings that are used in your environment. One of these might be removing users from the local administrators group. This can be done using Group Policy. Patch Management Applying patches is critical to avoid known vulnerabilities being exploited. You can…
Security+ Course – 2.8 Personnel Security
2.8.1 Personnel Security Your security programs should be built upon a solid policy foundation. Personnel security programs should be built upon educating employees about these policies and their individual roles in protecting the enterprise. As part of this program you should have explicit procedures that describe how you will handle violations to the security policy. This could involve management, cybersecurity…
Security+ Course – 2.7 Security Troubleshooting
2.7.1 Troubleshooting Authentication and Authorisation The use of unencrypted credentials is one of the most serious authentication security issues found on systems today. There is no excuse for this. Anyone eavesdropping on the network can intercept and view these plain text credentials. You can encrypt credentials at the application level by replacing protocols that run in cleartext with secure alternatives…
Security+ Course – 2.6 Security Assessment Tools
2.6.1 Protocol Analysers Protocol Analysers allow administrators to peer into the packets travelling on a network and inspect them in deep detail. This is very useful when trying to troubleshoot network issues or investigate security incidents. Wireshark intercepts traffic and converts that binary traffic into human-readable format. This makes it easy to identify what traffic is crossing your network, how…
Security+ Course – 2.5 Security and Monitoring Technologies
2.5.1 Correlating Security and Event Information Security Information and Event Management Systems (SIEM) These have 2 major functions: Central, secure collection point for logs. Administrators configure all serves, network devices and applications to send logs directly to the SIEM. It stores them in a secure fashion. They can apply AI techniques to correlate all of those logs and detect patters…
Security+ Course – 2.4 Wireless Networking
2.4.1 Wireless Networking WiFi standards are required so that any wireless device can connect to any wireless network around the world. WiFi uses transmitters and receivers in place of cables and connectors. WAPs (Wireless Access Points) connect wireless networks to wired networks. WiFi Standards 802.11 (1997) 2Mbps 802.11b (1999) 11 Mbps 802.11g (2003) 22 Mbps 802.11n (2009) 600 Mbps 802.11ac…