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NEW QUESTION # 47
A company wants to deploy an application in a private VPC that will not be connected to the internet. The company's security team will not allow bastion hosts or methods using SSH to log in to Amazon EC2 instances. The application team plans to use AWS Systems Manager Session Manager to connect to and manage the EC2 instances.
Which combination of steps should the security team take? (Select THREE.)
Answer: C,D,E
Explanation:
Comprehensive and Detailed 100to 150 words of Explanation From AWS Certified Security - Specialty topics:
Session Manager requires the target EC2 instance to be a managed node, which means Systems Manager Agent must be installed and running, and the instance profile must grant permissions for Systems Manager communication. In a private VPC with no internet connectivity, the instances need private connectivity to Systems Manager service endpoints through VPC interface endpoints. Depending on configuration, endpoints commonly include Systems Manager, EC2 messages, and Systems Manager messages; EC2 endpoint access can also be needed for related management operations. A NAT gateway would create internet-bound egress and conflicts with the private VPC requirement. A transit gateway does not provide AWS Systems Manager service connectivity by itself. Preventing SSH key pair creation is not required for Session Manager operation.
NEW QUESTION # 48
A company runs an online game on AWS. When players sign up for the game, their username and password credentials are stored in an Amazon Aurora database.
The number of users has grown to hundreds of thousands of players. The number of requests for password resets and login assistance has become a burden for the company's customer service team.
The company needs to implement a solution to give players another way to log in to the game. The solution must remove the burden of password resets and login assistance while securely protecting each player's credentials.
Which solution will meet these requirements?
Answer: C
Explanation:
Amazon Cognito is a fully managed identity service that providesuser authentication, authorization, and user managementfor web and mobile applications. According to AWS Certified Security - Specialty documentation, Cognito user pools are specifically designed to offload authentication responsibilities from applications while maintaining strong security controls.
By federating authentication with third-party identity providers (such as social IdPs), Cognito eliminates the need for the company to manage user passwords directly. This dramatically reduces password reset requests and customer service overhead, while also improving security throughindustry-standard authentication mechanisms, including MFA and token-based access.
Option A is insecure and incorrect because IAM access keys are not intended for end users. Option B simply relocates password storage and does not reduce operational burden. Option D uses API keys, which are not designed for user authentication and provide no identity verification.
AWS guidance clearly states thatAmazon Cognito is the recommended service for scalable, secure user authentication, especially when reducing password management complexity is a requirement.
* AWS Certified Security - Specialty Official Study Guide
* Amazon Cognito User Pools Documentation
* AWS IAM Security Best Practices
NEW QUESTION # 49
A company uses AWS Organizations. The company subscribes to AWS Shield Advanced. The company must share third-party firewall logs from all its accounts with the Shield Response Team. The company stores the logs in an Amazon S3 bucket that uses server-side encryption with S3 managed keys (SSE-S3).
Which combination of steps will meet these requirements? (Choose Two.)
Answer: A,E
Explanation:
To let the Shield Response Team assist during DDoS events, the account must explicitly authorize SRT access. The associate-drt-log-bucket operation authorizes SRT access to an S3 bucket that contains log data, including third-party source logs. The SRT also needs an IAM role with the AWSShieldDRTAccessPolicy policy and a trust relationship for the Shield DRT service principal so it can inspect relevant protection and logging information during mitigation. Delegated administration and auto-enable can help manage Shield Advanced across accounts, but they do not by themselves share the specific third-party firewall log bucket with SRT. Security Hub CSPM is unrelated to SRT log-bucket access.
NEW QUESTION # 50
A company's security engineer is designing an isolation procedure for Amazon EC2 instances as part of an incident response plan. The security engineer needs to isolate a target instance to block any traffic to and from the target instance, except for traffic from the company's forensics team. Each of the company's EC2 instances has its own dedicated security group. The EC2 instances are deployed in subnets of a VPC. A subnet can contain multiple instances.
The security engineer is testing the procedure for EC2 isolation and opens an SSH session to the target instance. The procedure starts to simulate access to the target instance by an attacker.
The security engineer removes the existing security group rules and adds security group rules to give the forensics team access to the target instance on port 22.
After these changes, the security engineer notices that the SSH connection is still active and usable. When the security engineer runs a ping command to the public IP address of the target instance, the ping command is blocked.
What should the security engineer do to isolate the target instance?
Answer: A
Explanation:
Amazon EC2 security groups are stateful, meaning that once a connection is established, return traffic is automatically allowed, even if the inbound rule that originally permitted the connection is later removed. According to the AWS Certified Security - Specialty Official Study Guide and Amazon EC2 security documentation, existing connections are not terminated when security group rules change. This explains why the SSH session remains active even after the security group rules were modified, while new traffic such as ICMP ping is blocked.
To immediately and fully isolate an EC2 instance during an incident response scenario, AWS recommends using stateless network controls. Amazon VPC network ACLs (NACLs) are stateless, which means that every packet is evaluated against the ACL rules regardless of whether the traffic is part of an existing connection. When a deny rule is added, all traffic is immediately blocked, including active sessions.
By creating a network ACL and associating it with the subnet that contains the target instance, and by adding explicit deny rules with the lowest rule numbers for both inbound and outbound traffic, the security engineer ensures that all network communication to and from the instance is immediately interrupted. This approach satisfies the requirement to isolate the instance while preserving its runtime state and memory for forensic analysis.
Other options fail to meet the requirement because security group modifications do not terminate existing sessions, Systems Manager does not enforce network isolation, and host-level firewall changes require instance-level access and do not provide immediate, network-enforced isolation.
NEW QUESTION # 51
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: A
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 # 52
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