CompTIA Updated SY0-701 Exam Questions and Answers by baxter

An insider threat is a security risk that originates from within the organization, such as an employee, contractor, or business partner, who has authorized access to the organization’s data and systems. An insider threat can be malicious, such as stealing, leaking, or sabotaging sensitive data, or unintentional, such as falling victim to phishing or social engineering. An insider threat can cause significant damage to the organization’s reputation, finances, operations, and legal compliance. The user’s activity of logging in remotely after hours and copying large amounts of data to a personal device is an example of a malicious insider threat, as it violates the organization’s security policies and compromises the confidentiality and integrity of the data. References = Insider Threats – CompTIA Security+ SY0-701: 3.2, video at 0:00; CompTIA Security+ SY0-701 Certification Study Guide, page 133.

To secure an on-site data center against intrusion from an insider, the best measure is to use an access badge system. Access badges control who can enter restricted areas by verifying their identity and permissions, thereby preventing unauthorized access from insiders.

Access badge: Provides controlled and monitored access to restricted areas, ensuring that only authorized personnel can enter.

Bollards: Provide physical barriers to prevent vehicle access but do not prevent unauthorized personnel entry.

Motion sensor: Detects movement but does not control or restrict access.

Video surveillance: Monitors and records activity but does not physically prevent intrusion.

IPSec is a protocol suite that provides secure communication over IP networks. IPSec can be used to create virtual private networks (VPNs) that encrypt and authenticate the data exchanged between two or more parties. IPSec can also provide data integrity, confidentiality, replay protection, and access control. A security consultant can use IPSec to gain secure, remote access to a client environment by establishing a VPN tunnel with the client’s network. References: CompTIA Security+ Study Guide: Exam SY0-701, 9th Edition, Chapter 8: Secure Protocols and Services, page 385 1

A hash is an algorithm used to verify data integrity by generating a fixed-size string of characters from input data. If even a single bit of the input data changes, the hash value will change, allowing users to detect any modification to the data. Hashing algorithms like SHA-256 and MD5 are commonly used to ensure data has not been altered.

References:

CompTIA Security+ SY0-701 Course Content: Domain 6: Cryptography and PKI, which discusses the role of hashing in verifying data integrity​​.