Terms

Application Programming Interface Security

API security is the practice of protecting application programming interfaces from attacks intended to steal sensitive data, disrupt services, or gain unauthorized access. Since APIs form the backend framework for modern web and mobile applications, they frequently handle sensitive data and expose critical application logic. Securing these interfaces is essential for protecting against data breaches and ensuring the integrity of the applications they support.

Best Practices for API Security

Employ strong authentication and authorization using security tokens and frameworks like OAuth to control access. Encrypt all data in transit with TLS to safeguard sensitive information from being intercepted. Use rate limiting and throttling to prevent denial-of-service attacks and protect system resources from abuse.

Adopt a zero-trust model by authenticating every request, regardless of its origin. Regularly scan for vulnerabilities, referencing standards like the OWASP Top 10, to proactively identify weaknesses. Continuously monitor API traffic and log activity to detect and respond to threats quickly.

Common API Security Threats

APIs are frequent targets for attackers due to their direct access to sensitive data and core application functions. These vulnerabilities often stem from insecure design and implementation practices. Common threats range from exploiting authorization flaws to overwhelming the system with requests.

  • Authorization: Exploiting flaws to access or modify data without proper permission.
  • Authentication: Bypassing login mechanisms to impersonate legitimate users.
  • Injection: Inserting malicious code into API requests to compromise backend systems.
  • Exposure: Revealing sensitive data in API responses that should have been filtered.
  • Rate-limiting: Overwhelming APIs with excessive requests, leading to denial-of-service attacks.

Application Programming Interface Security vs. Web Application Security

While both are crucial for protecting digital assets, API security and web application security address different architectural paradigms and threat models.

  • Web Application Security: This protects the entire application, often using a perimeter-based model with a Web Application Firewall (WAF). It is effective for monolithic applications where threats come from standard web requests and is preferred for traditional applications with limited API exposure.
  • API Security: This focuses on securing individual API endpoints that connect services and transfer data. It is essential for modern, distributed systems like microservices. Enterprises relying on mobile apps, IoT, or extensive integrations prefer this granular approach to protect against API-specific attacks.

Tools for Enhancing API Security

A variety of tools are available to strengthen API security, each addressing different stages of the development lifecycle and potential vulnerabilities. These solutions range from traffic management systems to specialized testing platforms, working together to create a layered defense against common threats.

  • Gateways: Act as a single entry point to manage, authenticate, and monitor all API traffic.
  • Testing: Automate vulnerability scanning and performance analysis to find flaws before deployment.
  • Firewalls: Inspect and filter HTTP traffic to block malicious requests and common web exploits.
  • Analytics: Provide visibility into API usage, discover shadow APIs, and detect anomalous behavior.

Case Studies in API Security

Real-world incidents often involve attackers exploiting deprecated or undocumented API endpoints. For example, an attacker might reverse-engineer a mobile app to find an old endpoint lacking proper authentication. They could then use an injection vulnerability to execute malicious code and compromise the backend server, demonstrating the need for comprehensive API management.

Frequently Asked Questions about Application Programming Interface Security

How does API security differ from traditional web security?

API security focuses on protecting data-transfer endpoints, crucial for microservices. Web security guards the entire user-facing application, often with a perimeter-based model. It's a shift from protecting the whole application to securing individual, distributed communication channels that handle sensitive data.

Are internal APIs exempt from security concerns?

No, internal APIs are not inherently safe and can be exploited if an attacker gains network access. Adopting a zero-trust model is critical, meaning every API request, internal or external, must be authenticated and authorized to prevent lateral movement and internal breaches.

What is the most critical first step to improve API security?

The most critical first step is discovery and inventory. You must identify all APIs, including undocumented "shadow" and outdated "zombie" APIs. Without a complete inventory, you cannot apply consistent security policies, leaving significant gaps in your defenses that attackers can exploit.

Other terms

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Knowledge Base

A knowledge base is a self-serve online library of information about a product, service, department, or topic.

Knowledge Base

OAuth

OAuth is an open standard for access delegation. It lets you grant apps access to your data on other services without sharing your password.

OAuth

Sales Director

A Sales Director leads a sales team, develops strategies, and is responsible for meeting a company's revenue targets.

Sales Director

B2B Intent Data

Learn about B2B intent data, including how B2B intent data enhances sales strategies, sources of B2B intent data, leveraging B2B intent data for competitiveness.

B2B Intent Data

Spiff

A spiff is a short-term sales incentive, often a cash bonus, paid directly to a salesperson for selling a specific product or service.

Spiff

Objection Handling

Objection handling is the process of responding to a prospect's concerns or hesitations about a product or service to move a deal forward.

Objection Handling

Unique Selling Point

A Unique Selling Point (USP) is the distinct feature or benefit that sets your product, service, or brand apart from the competition.

Unique Selling Point

Remote Sales

Remote sales is selling from a distance. Reps use digital tools to connect with prospects and close deals without meeting them in person.

Remote Sales

Open Rate

The open rate is the percentage of recipients who opened an email. It's a primary indicator of a subject line's effectiveness.

Open Rate

X-Sell

X-Sell, or cross-selling, is a sales strategy of selling additional, related products or services to an existing customer base.

X-Sell

Hybrid Sales Model

A hybrid sales model blends traditional and digital sales methods to engage customers across multiple channels and buying preferences.

Hybrid Sales Model

Event Tracking

Event tracking is the method of collecting data on specific user actions, or 'events,' on a website or app, such as clicks or downloads.

Event Tracking

Funnel Optimization

Funnel optimization is the process of improving each stage of the customer journey to maximize conversions and drive revenue growth.

Funnel Optimization

Headless CMS

A headless CMS is a back-end content repository that delivers content via API to any front-end, decoupling the content from its presentation layer.

Headless CMS

Sales Compensation

Sales compensation is the total pay a salesperson receives, including salary, commissions, and bonuses, structured to motivate performance.

Sales Compensation

Content Delivery Network

A Content Delivery Network (CDN) is a system of distributed servers that deliver web content to users based on their geographic location.

Content Delivery Network

Data Encryption

Data encryption translates data into another form, or code, so that only people with access to a secret key or password can read it.

Data Encryption

CCPA Compliance

CCPA compliance is adhering to the California Consumer Privacy Act, a law that grants consumers more control over their personal data.

CCPA Compliance

Channel Marketing

Channel marketing is a strategy where a company sells its products or services through third-party partners, like resellers or affiliates.

Channel Marketing

Dynamic Data

Dynamic data is information that updates in real-time. Unlike static data, it reflects the most current state of information automatically.

Dynamic Data

B2B Sales Channels

Learn about B2B sales channels, including types of B2B sales channels, strategies for effective channel selection, & integrating technology in B2B sales.

B2B Sales Channels

Account

An account is a company or organization that you're targeting for sales. It can be a prospective, current, or even a past customer.

Account

Persona-Based Marketing

Persona-based marketing uses fictional customer profiles, or personas, to create targeted messaging for specific audience segments.

Persona-Based Marketing

Inbound Lead Generation

Inbound lead generation is the process of attracting potential customers to your business with valuable content and tailored experiences.

Inbound Lead Generation

Data Hygiene

Data hygiene is the practice of ensuring your customer data is clean, accurate, and up-to-date by removing duplicates and correcting errors.

Data Hygiene

CPM

CPM, or Cost Per Mille, is a key advertising metric. It's the cost an advertiser pays for one thousand views or impressions of a single ad.

CPM

Lead Magnet

A lead magnet is a free incentive offered to potential customers in exchange for their contact details, like an email, to generate sales leads.

Lead Magnet

Contract Management

Contract management is the process of creating, executing, and analyzing contracts to maximize performance and minimize financial risk.

Contract Management

Day Sales Outstanding

Day Sales Outstanding (DSO) is a financial ratio that shows the average number of days it takes for a company to receive payment for a sale.

Day Sales Outstanding

Challenger Sales

The Challenger Sales model is a methodology where reps teach prospects, tailor their pitch, and take control of the sales conversation.

Challenger Sales

B2B Data Erosion

Learn about B2B data erosion, including causes of B2B data decay, strategies to combat data erosion, & measuring the impact of data erosion.

B2B Data Erosion

CRM Enrichment

CRM enrichment is the process of adding third-party data to your existing customer profiles to make them more complete and accurate.

CRM Enrichment

Marketing Operations

Marketing Operations (MOps) is the engine of a marketing team, managing the technology, processes, and people to run campaigns effectively.

Marketing Operations

Economic Order Quantity

Economic Order Quantity (EOQ) is the ideal order quantity a company should purchase to minimize its total inventory-related costs.

Economic Order Quantity

Value-Added Reseller

A Value-Added Reseller (VAR) is a company that adds features or services to an existing product, then resells it as an integrated solution.

Value-Added Reseller

Account View Through Rate

Account View-Through Rate (AVTR) is the percentage of target accounts that see an ad and later visit your website without clicking on it.

Account View Through Rate

Intent leads

Intent leads are prospects who show buying signals through their online actions, indicating they're actively looking to make a purchase.

Intent leads

Targeted Marketing

Targeted marketing focuses on specific consumer groups whose needs align with your product, allowing for more personalized and effective messaging.

Targeted Marketing

Sales Team Management

Sales team management is the process of leading, coaching, and motivating a sales team to achieve its sales goals and drive revenue growth.

Sales Team Management

Conversion Path

A conversion path is the journey a visitor takes to complete a desired goal, such as making a purchase, filling out a form, or subscribing.

Conversion Path

Persona Map

A persona map visually outlines a target customer, detailing their goals, behaviors, and pain points to help your team build genuine empathy.

Persona Map

Sales Coach

A sales coach is a mentor who trains and guides sales reps to enhance their skills, boost performance, and ultimately close more deals effectively.

Sales Coach

Forward Revenue

Forward revenue is the total value of all active, committed contracts that are expected to be recognized as revenue in the future.

Forward Revenue

ABM Orchestration

ABM orchestration aligns marketing and sales actions across channels to deliver seamless, personalized experiences to high-value accounts.

ABM Orchestration

Private Labeling

Private labeling is when a company rebrands a product made by a third-party manufacturer and sells it as their own.

Private Labeling

Brand Equity

Learn about brand equity, including understanding its importance, building strong brand equity, measuring brand equity, & real-world applications.

Brand Equity

Internal signals

Internal signals are data points from your own systems, like website visits or product usage, that indicate a customer's buying intent.

Internal signals

Omnichannel Marketing

Omnichannel marketing creates a seamless, unified customer experience by integrating a company's various communication and sales channels.

Omnichannel Marketing

Amortization

Amortization is the process of spreading out a loan or the cost of an intangible asset over a specific period for accounting and tax purposes.

Amortization

CPQ software

CPQ (Configure, Price, Quote) software is a sales tool for creating accurate, configurable quotes for complex products and services.

CPQ software

Sales Funnel

A sales funnel is a model illustrating the customer's journey from initial awareness to the final purchase, narrowing down leads at each stage.

Sales Funnel

Business Development Representative

Learn about business development representative, including skills and qualifications for BDRs, & roles and responsibilities of a BDR.

Business Development Representative

Account-Based Everything

Account-Based Everything (ABE) is a strategy aligning sales, marketing, and success teams to focus on a specific set of high-value accounts.

Account-Based Everything

Incident Response

Incident response is an organization's systematic approach to managing and mitigating the aftermath of a security breach or cyberattack.

Incident Response

Objection Handling in Sales

Objection handling in sales is the process of responding to a prospect's concerns about a product or service to move the deal forward.

Objection Handling in Sales

Sales Dashboard

A sales dashboard is a visual tool that centralizes and displays key sales data, metrics, and KPIs to help teams track performance and goals.

Sales Dashboard

Consultative Sales

Consultative selling is a sales approach where a salesperson acts as an advisor, focusing on understanding and solving a customer's specific needs.

Consultative Sales

Email Personalization

Email personalization uses subscriber data—like their name, interests, or past behavior—to create highly relevant and targeted email campaigns.

Email Personalization

LinkedIn Sales Navigator

LinkedIn Sales Navigator is a premium tool helping sales teams find and engage with the right leads and accounts on the LinkedIn network.

LinkedIn Sales Navigator

Video Email

Video email involves embedding a short video directly into an email. This lets recipients watch your message without leaving their inbox.

Video Email

Account-Based Marketing Benchmarks

Account-Based Marketing (ABM) benchmarks are key metrics used to measure the performance and success of your targeted account strategies.

Account-Based Marketing Benchmarks

SDK

A Software Development Kit (SDK) is a set of tools that allows developers to create applications for a specific software package or platform.

SDK

Consumer Buying Behavior

Consumer buying behavior is the study of how individuals select, buy, and use products and services to satisfy their needs and desires.

Consumer Buying Behavior

Conversion Rate

Conversion rate is the percentage of visitors who complete a desired goal, like a purchase or sign-up, out of the total number of visitors.

Conversion Rate

Closed Question

A closed question is a type of query that elicits a simple, often one-word answer like 'yes' or 'no,' or a specific, factual response.

Closed Question

Sales Productivity

Sales productivity is the measure of a sales team's efficiency, focusing on maximizing revenue generation while minimizing the resources spent.

Sales Productivity

Cost Per Impression

Cost Per Impression (CPI) is the price an advertiser pays for each time their ad is displayed to a user, irrespective of clicks.

Cost Per Impression

Warm Calling

Warm calling is contacting prospects with a prior connection, like a referral or social media interaction, to make your outreach more relevant.

Warm Calling

Competitive Intelligence (CI)

Competitive intelligence (CI) is the ethical gathering and analysis of market data to inform strategic business decisions and gain an advantage.

Competitive Intelligence (CI)

GTM

A go-to-market (GTM) strategy is an action plan that outlines how a company will reach target customers and achieve a competitive advantage.

GTM

Territory Management

Territory management is the process of segmenting customers into groups by geography or other factors to optimize sales efforts and resources.

Territory Management

Dynamic Pricing

Dynamic pricing is a strategy where businesses set flexible prices for products or services based on current market demands and other factors.

Dynamic Pricing

Content Management System

A Content Management System (CMS) is software for creating, managing, and modifying website content without needing specialized technical skills.

Content Management System

Horizontal Market

A horizontal market is one where a product or service is designed to meet a common need for a wide array of customers, regardless of their industry.

Horizontal Market

Net 30

Net 30 is a common payment term where a client has 30 calendar days from the invoice date to pay for goods or services in full.

Net 30

Customer Buying Signals

Customer buying signals are the actions, behaviors, or statements a prospect makes that indicate they are moving towards a purchase decision.

Customer Buying Signals

Data Mining

Data mining is the process of discovering patterns, trends, and useful information from large datasets to make better business decisions.

Data Mining

Account Match Rate

Account match rate is the percentage of target accounts successfully identified and matched against a specific database or data provider.

Account Match Rate

Sales Pipeline Management

Sales pipeline management is the process of organizing, tracking, and managing potential deals through every stage of your sales funnel.

Sales Pipeline Management

Regression Analysis

Regression analysis is a statistical method for estimating the relationships between a dependent variable and one or more independent variables.

Regression Analysis

Trade Shows

Trade shows are events where companies in a specific industry showcase their latest products and services to find new customers and partners.

Trade Shows

Sales Methodology

A sales methodology is the framework that guides how your sales team approaches the entire sales process, from prospecting to closing deals.

Sales Methodology

Sales Script

A sales script is a pre-written guide of talking points that helps salespeople navigate conversations with potential customers.

Sales Script

User Interaction

User interaction is any action a user takes within a digital interface, like clicking a button, scrolling a page, or filling out a form.

User Interaction

Email Engagement

Email engagement measures how your audience interacts with your emails. It includes key actions like opens, clicks, replies, and forwards.

Email Engagement

Responsive Design

Responsive design is an approach where a website's layout adapts to the user's screen size, providing an optimal experience on any device.

Responsive Design

Customer Engagement

Customer engagement is the ongoing, value-driven relationship a business builds with its customers to foster brand loyalty and awareness.

Customer Engagement

Affiliate Marketing

Affiliate marketing is a performance-based model where affiliates earn a commission for promoting another company’s products or services.

Affiliate Marketing

Smarketing

Smarketing is the process of aligning your sales and marketing teams. This integration focuses on shared goals to improve lead quality and drive revenue.

Smarketing

Letter of Intent

A Letter of Intent (LOI) is a document declaring the preliminary commitment of one party to do business with another, outlining the chief terms.

Letter of Intent

Cross-Site Scripting

Cross-Site Scripting (XSS) is a web security vulnerability that allows attackers to inject malicious scripts into trusted websites.

Cross-Site Scripting

Bottom of the Funnel

Learn about bottom of the funnel, including maximizing conversions at the funnel's end, & strategies for nurturing bottom-funnel leads.

Bottom of the Funnel

Workflow Automation

Workflow automation uses rule-based logic to run a sequence of tasks that would otherwise require manual human effort to complete.

Workflow Automation

Lead Response Time

Lead response time is the duration between a potential customer showing interest and your team's first point of contact with them.

Lead Response Time

Channel Partners

Channel partners are third-party firms that help market and sell a company's products or services, acting as an indirect sales force.

Channel Partners

Sales Operations Analytics

Sales operations analytics is the practice of analyzing sales data to improve the efficiency and effectiveness of the entire sales process.

Sales Operations Analytics

Sales Champion

A sales champion is your internal advocate at a target company. They believe in your product and help you push the deal forward to close.

Sales Champion

Warm Outbound

Warm outbound is a sales strategy for contacting prospects who've shown interest in your brand through prior engagement, like website visits.

Warm Outbound

Call for Proposal

A Call for Proposal (CFP) is a document that solicits proposals, often through a bidding process, for a specific project or service.

Call for Proposal

Buyer’s Remorse

Buyer’s remorse is the sense of regret or anxiety that can arise after making a purchase, often questioning if it was the right decision.

Buyer’s Remorse