350-701 Exam Dumps - Implementing and Operating Cisco Security Core Technologies (SCOR 350-701 v2.0)

The Talos IP and Domain Reputation Center is the world’s most comprehensive real-time threat detection network. It collects and analyzes data from millions of web requests, emails, malware samples, open-source data sets, endpoint intelligence, and network intrusions. It assigns a reputation score to IP addresses and domains based on their observed malicious activity and behavior. The reputation score can range from -10 (very malicious) to +10 (very benign). The reputation score can be used to block or allow traffic, or to trigger further inspection or analysis. The Talos IP and Domain Reputation Center allows you to track the reputation of IP addresses for email and web traffic, as well as to look up the category, volume, and history of any IP address or domain. You can also submit feedback or request a change of reputation for any IP address or domain. References 

https://talosintelligence.com/reputation_center/

https://bing.com/search?q=Talos+reputation+center+IP+addresses+email+web+traffic

 Secret key cryptography, also known as symmetric key cryptography, is a type of encryption where a single secret key is used for both encryption and decryption of a message. The cryptographic key is kept secret between the sender and receiver, making it difficult for anyone else to decipher the message. Some of the functions of secret key cryptography are:

Key selection without integer factorization: Secret key cryptography does not rely on complex mathematical problems such as integer factorization or discrete logarithms to generate keys. Instead, the keys are chosen randomly or derived from a passphrase or a shared secret. This makes the key generation process faster and simpler than in public key cryptography.

Utilization of less memory: Secret key cryptography uses less memory than public key cryptography, as it only requires one key to be stored and managed. Public key cryptography, on the other hand, requires two keys (public and private) for each user, which increases the memory overhead and complexity of key management.

The other options are not functions of secret key cryptography, but rather characteristics of public key cryptography or asymmetric cryptography, which is a different type of encryption where different keys are used for encryption and decryption. Public key cryptography has the following features:

Utilization of different keys for encryption and decryption: Public key cryptography uses a pair of keys, one public and one private, for each user. The public key can be shared with anyone, while the private key must be kept secret. The public key is used to encrypt messages, while the private key is used to decrypt them. This allows users to communicate securely without having to exchange a secret key beforehand.

Utilization of large prime number iterations: Public key cryptography relies on hard mathematical problems such as integer factorization or discrete logarithms to generate keys. These problems involve finding the prime factors of large numbers or finding the discrete logarithms of numbers in a finite field. These problems are easy to solve in one direction, but hard to solve in the reverse direction. For example, it is easy to multiply two large prime numbers, but hard to find the prime factors of the product. This makes the keys hard to break by brute force or other methods.

Provides the capability to only know the key on one side: Public key cryptography enables users to encrypt messages without knowing the recipient’s key, and vice versa. This is possible because the encryption and decryption keys are different and mathematically related. For example, Alice can encrypt a message with Bob’s public key, and only Bob can decrypt it with his private key. Alice does not need to know Bob’s private key, and Bob does not need to know Alice’s key. This also enables public key cryptography to support digital signatures, which are a way of verifying the identity and integrity of a message.

References :=

What Is Secret Key Cryptography? A Complete Guide - Helenix

Definition of Secret-key Cryptography - Gartner

The global Internet-access policy should block the required content categories and retain TLS inspection so Secure Access can inspect eligible encrypted downloads and apply malware/file controls. A more specific Marketing rule must have higher precedence so that social-networking traffic is permitted for that department before the broader restriction is evaluated. File scanning remains enabled for that allowed traffic. Separately, financial and healthcare destinations should be placed in the TLS decryption-bypass list to satisfy privacy or compliance requirements without disabling decryption everywhere. Global decryption disablement would remove visibility from unrelated traffic. A general destination allow list can bypass more than decryption and does not guarantee the stated inspection behavior. A single global social-media allow rule also lacks the required department-specific scope and TLS exception. Therefore, actions A and D jointly implement all four requirements. Cisco Secure Access content-category guidance

Endpoint Protection Platform (EPP) and Endpoint Detection and Response (EDR) are both important components of an endpoint security strategy, but they have different goals and capabilities. EPP is designed to act as a preventive security measure, blocking known and unknown malware and malicious activity on endpoint devices using various techniques such as antivirus, data encryption, and data loss prevention. EPP solutions are mainly cloud-managed and assisted by cloud data, and use multiple detection engines such as signature-based, machine learning, and behavioral analysis. EPP solutions prevent breaches by leveraging threat intelligence and sandboxing capabilities to continuously protect endpoints from emerging threats12.

EDR, on the other hand, focuses on detecting and responding to advanced threats that have already evaded the front-line defenses and infiltrated the environment. EDR solutions provide continuous and comprehensive visibility into endpoint activity in real time, allowing security teams to quickly and effectively identify and remediate cyberattacks such as ransomware and fileless malware. EDR solutions offer advanced threat detection, investigation, and response capabilities, including incident data search and investigation, alert triage, suspicious activity validation, threat hunting, and malicious activity detection and containment. EDR solutions serve as a safety net to capture threats that go undetected by traditional antivirus software and uncover incidents that would otherwise remain invisible34.

Therefore, the primary difference between an EPP and an EDR is that EPP focuses on prevention, and EDR focuses on advanced threats that evade perimeter defenses. References: 1: Endpoint Protection Platform (EPP) Definition - Cisco 2: EPP vs. EDR: Why You Need Both - CrowdStrike 3: Endpoint Detection and Response (EDR) Definition - Cisco 4: EDR vs EPP: Why Should You Have to Choose? - Check Point Software

Explanation

Explanation

NetFlow is typically used for several key customer applications, including the following:

…

Billing and accounting. NetFlow data provides fine-grained metering (for instance, flow data includes details such as IP addresses, packet and byte counts, time stamps, type of service (ToS), and application ports) for highly flexible and detailed resource utilization accounting. Service providers may use the information for billing based on time of day, bandwidth usage, application usage, quality of service, and so on. Enterprise customers may use the information for departmental charge back or cost allocation for resource utilization.

According to the NIST 800-145 guide1, a community cloud is a cloud infrastructure that is provisioned for exclusive use by a specific community of consumers from organizations that have shared concerns (e.g., mission, security requirements, policy, and compliance considerations). It may be owned, managed, and operated by one or more of the organizations in the community, a third party, or some combination of them, and it may exist on or off premises. A community cloud differs from a private cloud, which is provisioned for exclusive use by a single organization, and a public cloud, which is provisioned for open use by the general public. A hybrid cloud is a composition of two or more distinct cloud infrastructures (private, community, or public) that remain unique entities, but are bound together by standardized or proprietary technology that enables data and application portability (e.g., cloud bursting for load balancing between clouds). References := 1: NIST SP 800-145, The NIST Definition of Cloud Computing, page 3.