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NEW QUESTION # 12
A company is using AWS Organizations with the default SCP. The company needs to restrict AWS usage for all AWS accounts that are in a specific OU. Except for some desired global services, the AWS usage must occur only in theeu-west-1Region for all accounts in the OU. A security engineer must create an SCP that applies the restriction to existing accounts and any new accounts in the OU.
Which SCP will meet these requirements?
Answer: B
Explanation:
To restrict activity to a single Region in an OU using an SCP, the standard pattern is an explicitDenyfor requests madeoutsidethe allowed Region, while carving out exceptions forglobal servicesthat do not use aws:
RequestedRegion in the same way (or that must remain usable regardless of Region). This is done withEffect:
Deny, aConditionusing StringNotEquals on aws:RequestedRegion for the allowed Region (here, eu-west-1), andNotActionlisting the global services that should remain available.
This works because SCPs act asguardrails: an explicit Deny in an SCP overrides IAM Allow in member accounts, ensuring the restriction applies consistently to all existing and future accounts placed in the OU. The StringNotEquals condition ensures the deny triggers for any Region other than eu-west-1. The NotAction exception list ensures that the specified global services are not blocked by this deny statement.
Option A is wrong because StringEquals would deny actionsineu-west-1 rather than outside it. Options B and D useAllowstatements, which do not enforce "only this Region" safely in SCPs unless combined with a comprehensive deny strategy; they would not reliably restrict all other services/regions. Therefore, option C is the correct SCP structure.
NEW QUESTION # 13
A company hosts its public website on Amazon EC2 instances behind an Application Load Balancer (ALB). The website is experiencing a global DDoS attack from a specific IoT device brand that uses a unique user agent. A security engineer is creating an AWS WAF web ACL and will associate it with the ALB. Which rule statement will mitigate the current attack and future attacks from these IoT devices without blocking legitimate customers?
Answer: B
Explanation:
AWS WAF string match rule statements allow inspection of HTTP headers, including the User- Agent header. According to AWS Certified Security - Specialty guidance, when malicious traffic can be uniquely identified by a consistent request attribute, such as a device-specific user agent, a string match rule provides precise mitigation with minimal false positives.
IP-based blocking is ineffective for globally distributed botnets. Geographic blocking risks denying access to legitimate users. Rate-based rules limit request volume but do not prevent low-and- slow attacks.
By matching the unique IoT device brand in the User-Agent header, the security engineer can block only malicious requests while preserving customer access.
NEW QUESTION # 14
A company's security engineer receives an abuse notification from AWS. The notification indicates that someone is hosting malware from the company's AWS account. After investigation, the security engineer finds a new Amazon S3 bucket that an IAM user created without authorization. Which combination of steps should the security engineer take to MINIMIZE the consequences of this compromise? (Select THREE.)
Answer: B,E,F
Explanation:
AWS incident response best practices emphasize rapid containment, credential revocation, and threat detection to minimize the blast radius of a compromise. According to the AWS Certified Security - Specialty Official Study Guide, when unauthorized resources such as an Amazon S3 bucket hosting malware are discovered, immediate action must be taken to stop further misuse of the account and to prevent recurrence.
Rotating or deleting all AWS access keys (Option D) is a critical containment step. If an IAM user has been compromised, any long-term credentials associated with that user must be revoked immediately to prevent continued unauthorized access. AWS guidance explicitly lists access key rotation or deletion as a first-response action for suspected credential compromise.
Deleting unrecognized or unauthorized resources (Option F) directly removes the malicious infrastructure that is being abused. In this case, deleting the unauthorized S3 bucket immediately stops malware distribution and reduces reputational and compliance impact.
Turning on Amazon GuardDuty (Option B) enables continuous threat detection by analyzing CloudTrail events, VPC Flow Logs, and DNS logs. GuardDuty can identify additional malicious activity, compromised credentials, or persistence mechanisms that the attacker may have established. AWS documentation recommends enabling GuardDuty during or immediately after an incident to detect ongoing or future threats.
NEW QUESTION # 15
A company is using AWS CloudTrail and Amazon CloudWatch to monitor resources in an AWS account. The company's developers have been using an IAM role in the account for the last 3 months.
A security engineer needs to refine the customer managed IAM policy attached to the role to ensure that the role provides least privilege access.
Which solution will meet this requirement with the LEAST effort?
Answer: B
Explanation:
AWS IAM Access Analyzer policy generation is specifically designed to help security engineers generate least-privilege IAM policies based on actual usage recorded in AWS CloudTrail.
According to the AWS Certified Security - Specialty documentation, policy generation analyzes historical CloudTrail data to identify the exact API actions and resources that a role has accessed over a specified time period.
Because the role has been actively used for three months, there is sufficient CloudTrail data for IAM Access Analyzer to generate a refined customer managed policy automatically. This significantly reduces manual effort and eliminates the need to analyze logs or infer permissions.
The generated policy can be reviewed and attached directly to the role, ensuring least privilege access with minimal engineering effort.
Option B only validates existing policies for security warnings and does not reduce permissions.
Option C requires manual analysis of CloudWatch logs, which is time-consuming and error-prone.
Option D does not analyze real usage and cannot generate role-specific least privilege policies.
AWS documentation explicitly recommends IAM Access Analyzer policy generation as the fastest and most accurate method to refine IAM permissions based on observed behavior.
NEW QUESTION # 16
A company runs several applications on Amazon Elastic Kubernetes Service (Amazon EKS). The company needs a solution to detect any Kubernetes security risks by monitoring Amazon EKS audit logs in addition to operating system, networking, and file events. The solution must send email alerts for any identified risks to a mailing list that is associated with a security team.
Which solution will meet these requirements?
Answer: C
Explanation:
Option C is the best fit because Amazon GuardDuty provides managed threat detection forEKSby analyzingEKS control plane audit logs(EKS Protection) and correlating those signals withruntime telemetry (Runtime Monitoring) that includesprocess/OS activity, network connections, and file activityon the worker nodes. This directly matches the requirement to monitor EKS audit logsin addition tooperating system, networking, and file events to detect Kubernetes security risks.
GuardDuty produces securityfindingsfor suspicious Kubernetes behavior and runtime indicators (for example, unexpected API calls, anomalous container activity, or known malicious behaviors). To notify the security team, anAmazon EventBridgerule can match GuardDuty findings and forward them to anSNS topic. SNS supportsemail subscriptions, so the team's mailing list can receive near-real-time alerts without building a custom log parsing pipeline.
Option A (Security Hub) aggregates findings and maps to controls/standards but does not itself provide the combined audit-log + runtime event detection described. Option B combines unrelated services and still requires custom processing. Option D only alarms on "new audit logs generated," which does not detect
"security risks" and does not include OS/network/file threat detections.
NEW QUESTION # 17
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