What is level 3 confidential data?

Asked by: Kenna Rowe  |  Last update: June 22, 2026
Score: 4.4/5 (3 votes)

Level 3 confidential data refers to highly sensitive information protected by law, regulation, or contract. Unauthorized disclosure of this data could cause severe harm to individuals or an organization, potentially resulting in legal penalties, regulatory fines, or mandatory breach notifications.

Which is level 3 confidential data?

Level 3 is protected confidential data, which comprises identity and financial data that, if improperly disclosed, could be used for identity theft or to cause financial harm to an individual or WCSU. Security at this level is very high (highest possible).

What is level 1, level 2, and level 3 data?

Level 1, 2, and 3 data are used in payment processing to provide additional information about a transaction. The main difference between them is the amount of data they provide. Level 1 data includes basic information about a transaction, such as the amount, card number, and expiration date.

What is level 4 data?

Level 4 data is highly sensitive, and its disclosure poses substantially greater risk of harm to the university than level 3 data. It should not normally be stored on general-purpose systems or handled as ordinary office paperwork.

What are the 4 levels of data security?

Common classification levels include public, internal use, restricted, and confidential. Organizations then identify their data assets, both structured and unstructured, and determine the appropriate classification level for each asset.

How to Hide Confidential Data in Excel - Hiding Social Security Numbers & Credit Card Numbers

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What is level 3 cyber security?

This Level 3 Certificate in Cyber Security Practices qualification is designed to provide learners with knowledge and skills relating to cyber security practices.

How many levels of data confidentiality are there?

Most organizations use three to five levels (Public, Internal, Confidential, and Restricted).

What are Tier 1, 2, 3, and 4 data centers?

Data center tiers (I-IV) are an Uptime Institute standard classifying infrastructure resilience, redundancy, and expected uptime. Ranging from basic capacity (Tier 1) to fault-tolerant (Tier 4), higher tiers offer greater uptime (99.671% to 99.995%+) but higher costs. Most commercial, high-availability facilities are Tier 3.

What is level 3 data?

Level 3 data refers to highly detailed line-item information included in business-to-business (B2B) or government credit card transactions, enabling merchants to qualify for lower processing fees. It provides comprehensive details beyond standard transaction data (Level 1/2), including product codes, item descriptions, quantities, unit prices, and freight charges.

What is level 2 data?

Learn more about how to read and understand Level 2 data. Level 2 data is a second layer of market data that shows detailed market information for securities traded on Canadian and U.S exchanges.

What is level 3 data in true data?

Level 3 provides market depth data up to 20 best bid and ask prices. Everything else in Level 3, is the same as Level 2. More details of the various Levels provided by the NSE can be obtained from the NSE Website (Data Vending Info). Tick By Tick Real-Time Data from NSE The NSE provides the Tick by Tick Feed.

What is level 1, level 2, and level 3?

Level 1 assets are those that are liquid and easy to value based on publicly quoted market prices. Level 2 assets are harder to value and can only partially be taken from quoted market prices but they can be reasonably extrapolated based on quoted market prices. Level 3 assets are difficult to value.

What is level 3 information?

Level 3 data, also known as level III, emerges when companies provide detailed line item information while purchasing an item or service, surpassing the requirements of standard credit card transactions. This data practice can significantly reduce costs for these companies.

What are the types of confidential data?

Confidential data includes sensitive, non-public information whose unauthorized disclosure could cause legal, financial, or reputational damage to individuals or organizations. Key types include Personally Identifiable Information (PII), Protected Health Information (PHI), financial data, intellectual property/trade secrets, and legal or internal company records.

What are the 3 C's of confidentiality?

Besides the four pillars of medical ethics, the three C's (confidentiality, consent, capacity) are a must-know foundation for many common medical school interview scenarios.

What are the 4 types of data types?

4 Types of Data - Nominal, Ordinal, Discrete, Continuous.

What is L1, L2, and L3 data?

L1 — Level 1: The baseline set of data included in every card transaction. L2 — Level 2: Enhanced transaction data including invoice-level summary information. L3 — Level 3: The most detailed tier of transaction data, including full line-item detail.

What are the 4 types of transactions?

The four main types of financial transactions in accounting—sales, purchases, receipts, and payments—represent the fundamental flow of money and assets in a business. These transactions track the exchange of goods/services for value, ensuring accurate documentation of revenue, expenses, and cash flow.

What is R1, R2, R3, and S1, S2, and S3?

Resistance levels (R1, R2, R3) are calculated above the pivot point, indicating potential price ceilings, while support levels (S1, S2, S3) are calculated below, indicating potential price floors.

What is L1, L2, and L3 in a data center?

For L1 support, training can focus on customer service and basic troubleshooting, while L2 and L3 teams can delve into advanced diagnostics, software management, and IT infrastructure management support.

What are the 4 types of data centers?

What are the four main types of data centers? The four main types of data centers are enterprise data centers, managed services data centers, colocation data centers, and cloud data centers. Each type serves different business needs and offers varying levels of control, scalability, and resource management.

What are Tier 5 data centers?

Tier 5 Platinum not only encompasses the resiliency and redundancy in other data center ratings systems, but also evaluates more than 30 additional key elements, such as long-term power system capabilities, the number of available carriers, zero roof penetrations, the location of cooling system lines in or above the ...

What is C3 level confidentiality?

Information Classification

C3 – Strictly Confidential (secret): Material that would cause “serious harm” to national security or private if publicly available. C2 – Confidential (confidential): Material that may cause “damage or harm” to safety or security.

What is L1 L2 L3 cyber security?

Short Definition. SOC teams operate in three structured tiers. L1 analysts perform initial triage, L2 analysts conduct investigations and enrichment, and L3 analysts handle advanced threat hunting, correlation logic, malware analysis, and complex incidents.

What are the 4 types of data classification?

The four primary types of data classification, based on sensitivity and security needs, are Public, Internal, Confidential, and Restricted. These categories determine the appropriate security controls, with restricted data requiring the highest protection and public data needing little to none.