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Identify the types of data provided by these technologies: TCP Dump, NetFlow, Next-Gen firewall, Traditional stateful firewall, Application visibility and control, web content filtering and email content filtering. Understanding Cisco Cybersecurity Fundamentals (210-250) TCP Dump The application tcpdump is a command line packet capture tool. An example of a packet displayed in the default console […]
4.1 Define these terms as they pertain to Microsoft Windows Processes: a program that the system is running Job: a group of processes Threads: basic units that an OS applies processing time to, spawned by a process which may have multiple threads Thread Pool: a group of asynchronous threads that report back to the application […]
3.1 Describe the uses of a hash algorithm Hash algorithms are a one way function that produces a unique mapping from a piece of a data to a string. This string can then be used to verify that the data has not been altered. Security software also uses hashes to compare a file to a […]
Describe these concepts: Asset management, configuration management, mobile device management, patch management and vulnerability management Understanding Cisco Cybersecurity Fundamentals (210-250) Asset Management Assets are the items of a company that need protected. To be able to protect them, they must be inventoried and managed. Policies should indicate how assets are used, who maintains them and […]
Compare and contrast these terms: Network and host antivirus, agentless and agent-based protections, SIEM and log collection Understanding Cisco Cybersecurity Fundamentals (210-250) Network and Host Antivirus Network antivirus is deployed on a dedicated machine that reviews all traffic. It has the advantage of being easier to maintain and update. It however cannot see viruses at […]
Compare and contrast access control models Understanding Cisco Cybersecurity Fundamentals (210-250) Discretionary Access Control Discretionary Access Control (DAC) allows the owner of the data to assign read or write rights to each file to whomever they choose. This makes it very flexible, but there is no central control. It is also prone to violations of […]
Describe these security terms: Principle of least privilege, risk scoring/risk weighting, risk reduction, risk assessment. Understanding Cisco Cybersecurity Fundamentals (210-250) Principle of Least Privilege The principle of least privilege states that a user should only be granted the least amount of rights to do their job. By limiting the rights of users, the amount of […]
Describe these terms: Threat actor, run book automation, chain of custody, reverse engineering, sliding window anomaly detection, PII and PHI. Understanding Cisco Cybersecurity Fundamentals (210-250) Threat Actor A threat actor is the individual or group that performs the attack or security incident. Several types of threat actors exist. Script kiddies: Uses existing scripts to hack […]
Compare and contrast these concepts: Risk, Threat, Vulnerability, and Exploit. Understanding Cisco Cybersecurity Fundamentals (210-250) Risk: the possibility that something bad will happenThreat: any potential danger to a security assetVulnerability: exploitable weakness in a system or designExploit: software or commands that take advantage of a vulnerability Risk is the possibility of a vulnerability being exploited. […]
Describe the principles of the defense in depth strategy Understanding Cisco Cybersecurity Fundamentals (210-250) Defense in depth uses a layered approach to security. Each layer by itself is not secure, but together they provide a better security for the data being protected. These layers can be summarized as the following: Nontechnical: policies, procedures and training […]
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