SY0-701 Exam Dumps - CompTIA Security+ Exam 2026

The first step in securing a newly deployed server is toclose unnecessary service ports. Open ports can expose the server to unauthorized access and potential cyber threats. By closing unused ports, the attack surface is reduced, limiting the number of entry points available to attackers.

Updating the software version (B)andupgrading the OS version (D)are important security measures but should follow the step of securing open ports to prevent immediate exposure to threats.

Adding the device to the Access Control List (ACL) (C)is a step in network security but does not directly secure the server itself against potential attacks.

Closing unnecessary ports helps in minimizing the risk of network-based attacks, such asport scanning and exploitation of default services.

The correct answer is Data classification because it is the primary mechanism used to determine the sensitivity and criticality of information involved in a security incident. According to the Security+ SY0-701 governance and risk management concepts, data classification assigns labels—such as public, internal, confidential, or restricted—to information based on its sensitivity, value to the organization, and potential impact if disclosed, altered, or destroyed. When a breach occurs, these classifications allow security teams and management to quickly assess how severe the incident is and what regulatory, legal, or business consequences may apply.

In this scenario, the compromised cloud-hosted solution contains customer information. By referencing the organization’s data classification scheme, incident responders can determine whether the exposed data includes personally identifiable information (PII), financial data, health records, or other regulated data types. This directly influences breach notification requirements, incident escalation, response prioritization, and communication with stakeholders. The SY0-701 study guide emphasizes that effective security governance depends on having clearly defined classification standards before an incident occurs, so decisions during response are consistent and defensible.

The other options do not meet the goal of determining sensitivity. Permission restrictions are access control mechanisms used to prevent unauthorized access, not to evaluate the importance of data after a compromise. Tabletop exercises are preparedness and training activities designed to test incident response plans, not to classify real data. Asset inventory identifies systems, hardware, software, and data locations, but it does not define how sensitive the data is; it only helps locate what may be affected.

Therefore, data classification is the most appropriate strategy for determining the sensitivity level of the breach, aligning directly with Security+ SY0-701 objectives related to risk management, privacy, and incident impact assessment.

Salting is the process of adding extra random data to a password or other data before applying a one-way data transformation algorithm, such as a hash function. Salting increases the complexity and randomness of the input data, making it harder for attackers to guess or crack the original data using precomputed tables or brute force methods. Salting also helps prevent identicalpasswords from producing identical hash values, which could reveal the passwords to attackers who have access to the hashed data. Salting is commonly used to protect passwords stored in databases or transmitted over networks. References =

Passwords technical overview

Encryption, hashing, salting – what’s the difference?

Salt (cryptography)

A legal hold (also known as a litigation hold) is a notification sent from an organization’s legal team to employees instructing them not to delete electronically stored information (ESI) or discard paper documents that may be relevant to a new or imminent legal case. A legal hold is intended to preserve evidence and prevent spoliation, which is the intentional or negligent destruction of evidence that could harm a party’s case. A legal hold can be triggered by various events, such as a lawsuit, a regulatory investigation, or a subpoena12

In this scenario, the company’s attorneys have requested that the security team initiate a legal hold in response to the lawsuit filed by the customers after the company was compromised. This means that the security team will most likely be required to retain any communications related to the security breach until further notice. This could include emails, instant messages, reports, logs, memos, or any other documents that could be relevant to the lawsuit. The security team should also inform the relevant custodians (the employees who have access to or control over the ESI) of their preservation obligations and monitor their compliance. The security team should also document the legal hold process and its scope, as well as take steps to protect the ESI from alteration, deletion, or loss34

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

Code repositories are a common source of unintentional corporate credential leakage, especially in cloud environments. Developers may accidentally commit and push sensitive information, such as API keys, passwords, and other credentials, to public or poorly secured repositories. These credentials can then be accessed by unauthorized users, leading to security breaches. Ensuring that repositories are properly secured and that sensitive data is never committed is critical for protecting against this type of leakage.

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CompTIA Security+ SY0-701 Course Content: Domain 03 Security Architecture​.

CompTIA Security+ SY0-601 Study Guide: Chapter on Threats and Vulnerability Management​.