The Network Security Specialist is responsible for overseeing the computer networks for any security threats or unauthorized users. The Security Specialist will have to identify the compromised machines and will provide a brief of the security measures taken by them. They have to evaluate the security risks and come up with proper response procedures. The other additional tasks include creating and examining the software deployment tools, firewalls, and intrusion detection systems.
The Security Specialists also conduct in-depth research about the new security devices as well. They may have to install computer security software, conduct regular security audits, prepare security status reports, and assist in disaster recovery.
Job Description
The Network Security Specialist job involves evaluating log files from different sources such as network traffic logs, firewall logs, Domain Name System (DNS) and several others to locate the possible threats to network security. The professional is responsible for gathering network intrusion artifacts that include domains, Uniform Resource Identifiers (URIs) and certificates. They have to utilize the discovered data to assist in the mitigation of potential CND hunts and incidents.
The Security Specialist must evaluate the identified malicious network activity to understand the effects on system and information. They have to maintain a record of network-based tactics, techniques, and procedures used by an attacker to gain unauthorized system access. The professionals must keep track of the CND incidents from the beginning through final resolution. They have to conduct real-time CND incident handling to offer necessary support to the deployable incident response teams.
The Network Security Specialist must circulate technical reports in response to the conducted analysis. They have to assist with developing and maintaining SOPs and should analyze network device configurations for any distrustful configurations. The Security Specialist has to evaluate network topology and device configurations to pinpoint critical security concerns and offer the best security practice recommendations. The professionals must gather network device integrity data and put to use specialized tools to locate unauthorized access such as configuration changes, interface changes, physical access, unscheduled reboots, blocked attempts, and downgraded encryption.
It is the responsibility of the Network Security Specialist to gather network device integrity data with the help of specialized tools to identify hardware and software modifications. They have to assist in network device integrity analysis on multi-vendor products. The Security Specialist must play an active role in building firewalls, setting up anti-virus software and keep an eye on the organization’s network to detect any threats or breaches. The specialist has to understand the levels of risk create suitable responses.
The Network Security Specialist should evaluate the network flow data, signature-based IDS events, and full packet capture (PCAP) data. The professionals have to examine the open and closed source information on related threats & vulnerabilities and prepare the initial reports. They have to manage and examine signature-based IDS alerts and related packet data (PCAP). The Security Specialist must perform high-level incident handling functions. They must recognize and extract network indicators from incident reporting. The professional will suggest new IDS signatures and detection strategies.