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Client-Side Security Platform | Browser Security, Fraud Detection & Compliance | cside
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robots.txt
# Robots.txt for cside.com - Client-Side Security Platform # Updated: 2026 # Allow all crawlers access to the site User-agent: * Allow: / # Disallow crawling of private/internal pages Disallow: /thank-you/ Disallow: /search-index.json Disallow: /_worker.js/ # Disallow competitor landing pages (used for ads) Disallow: /landing/ # Crawl delay (optional - be respectful) Crawl-delay: 1 # Content Signals for AI usage preferences (contentsignals.org) # Allow search, AI answers/citations, and model training Content-Signal: search=yes, ai-input=yes, ai-train=yes # Sitemaps Sitemap: https://cside.com/sitemap-index.xml
Document
llms.txt
# c/side > c/side is a client-side security platform that protects websites from malicious third-party scripts, e-skimming, and supply chain attacks. Using a lightweight script-based monitoring approach with AI-powered analysis, c/side provides real-time threat detection, PCI DSS 4.0.1 compliance automation, privacy monitoring, chargeback evidence collection, AI agent detection, and VPN detection. Founded in 2024, $7.7M funded. This site is available in English (default, no prefix), Spanish (/es/), French (/fr/), and Dutch (/nl/). All URLs below use default English paths. ## Core Documentation - [Documentation](https://docs.cside.com): Complete technical documentation for integrating and using c/side, publicly accessible without sales calls - [Trust Center](https://trust.cside.com): SOC 2 Type II audit reports, PCI SAQ-D AOC, and ISO 27001 progress - [Security](https://cside.com/security): Enterprise security practices and compliance framework - [FAQ](https://cside.com/faq): 81 frequently asked questions about client-side security, deployment, and compliance - [Glossary](https://cside.com/glossary): 52 client-side security terms defined, including Magecart, digital skimmers, XSS, script injection, and more - [Changelog](https://cside.com/changelog): Product updates and feature releases ## Product Solutions - [Client-Side Security](https://cside.com/solutions/client-side-security): Real-time protection against script injections, Magecart attacks, and third-party supply chain compromises - [PCI Shield](https://cside.com/solutions/pci-shield): PCI DSS 4.0.1 compliance automation for requirements 6.4.3 and 11.6.1, validated by VikingCloud QSA - [Privacy Watch](https://cside.com/solutions/privacy-watch): Automated privacy compliance monitoring for GDPR, CCPA, and HIPAA - [Content Security Policy (CSP)](https://cside.com/solutions/csp): Free CSP management tool with automatic policy generation and violation monitoring - [Chargeback Evidence](https://cside.com/solutions/chargeback-evidence): Device fingerprinting with 96% accuracy and automated forensic analysis for Visa Compelling Evidence 3.0 - [Fingerprinting](https://cside.com/solutions/fingerprinting): Browser fingerprinting that collects 102+ signals (IP, geolocation, VPN/proxy, bot activity) to detect fraudulent sessions, stop AI-bot abuse, and feed risk scores into existing fraud stacks - [VPN Detection](https://cside.com/solutions/vpn-detection): Detect users masking location via VPN or IP spoofing for compliance with laws like Texas HB1181, Florida HB3, and UK age verification - [AI Agent Detection](https://cside.com/solutions/ai-agent-detection): Identify and govern AI agents visiting websites using client-side browser signals - [Solutions Overview](https://cside.com/solutions): Complete overview of all security solutions ## Use Cases - [Use Cases Overview](https://cside.com/use-cases): Script injection, Magecart, data leak prevention, payment portal security, fraud prevention, and compliance - [Account Takeover](https://cside.com/use-cases/account-takeover): Detect and prevent account takeover fraud with browser fingerprinting — catches credential stuffing bots, session hijacking, and logins from suspicious environments (VPNs, VMs, headless browsers) - [Applicant Check](https://cside.com/use-cases/applicant-check): Stop fraudulent job applications by fingerprinting browser sessions to detect VMs, VPNs, bots, deep fakes, and nation-state impostors before they reach the ATS - [PCI DSS Compliance](https://cside.com/use-cases/compliance/pci-dss): PCI DSS 4.0.1 requirements 6.4.3 and 11.6.1 compliance use case - [GDPR / Privacy Compliance](https://cside.com/use-cases/compliance/gdpr): Enforce GDPR, CCPA, HIPAA privacy requirements via client-side monitoring - [Compliance Hub](https://cside.com/use-cases/compliance): PCI DSS, GDPR, HIPAA, SOX, DORA, CCPA/CPRA, and ISO 27001 use cases ## Comparisons - [Compare Overview](https://cside.com/compare): How c/side compares across three market approaches: CSP-based, crawler/agentless, and JS-based detection - [vs Cloudflare Page Shield](https://cside.com/compare/cloudflare-page-shield-vs-cside): Beyond CSP-only monitoring with full payload analysis - [vs Akamai Page Integrity Manager](https://cside.com/compare/akamai-page-integrity-manager-vs-cside): Deeper script analysis and forensics - [vs Jscrambler](https://cside.com/compare/jscrambler-webpage-integrity-vs-cside): Superior bypass protection and incident response - [vs Imperva Client-Side Protection](https://cside.com/compare/imperva-client-side-protection-vs-cside): Better real-time protection and AI analysis - [vs Feroot](https://cside.com/compare/feroot-vs-cside): Enhanced dynamic threat detection - [vs HUMAN Security](https://cside.com/compare/human-security-vs-cside): Better certainty of monitored script contents - [vs DataDome](https://cside.com/compare/datadome-vs-cside): Beyond bot detection with real-time client-side security - [vs Reflectiz](https://cside.com/compare/reflectiz-vs-cside): Real-time monitoring vs periodic scanning - [vs Source Defense](https://cside.com/compare/source-defense-vs-cside): Script-based monitoring vs agent-only approach - [vs Report URI](https://cside.com/compare/report-uri-vs-cside): Active protection vs passive monitoring - [vs DomDog](https://cside.com/compare/domdog-vs-cside): Advanced AI analysis vs basic monitoring - [vs Fastly Client-Side Protection](https://cside.com/compare/fastly-client-side-protection-vs-cside): Full protection comparison - [vs Security Metrics](https://cside.com/compare/security-metrics-shopping-cart-monitor-vs-cside): Shopping cart security comparison ## Pricing - [Pricing](https://cside.com/pricing): Free tier available, Pro at $99/month, Enterprise with custom pricing ## Company - [About](https://cside.com/about): Founded 2024, $7.7M funded, remote team with backgrounds from Cloudflare, Vercel, JP Morgan, Microsoft, and W3C contributors - [Blog](https://cside.com/blog): 146+ posts on security research, threat analysis, attack discoveries, and compliance guides - [Contact](https://cside.com/contact): Talk to a security expert - [Partners](https://cside.com/partners): Partner program for agencies, MSPs, and security consultants with integrations for AWS, Datadog, Okta, Slack, Splunk, and more - [Careers](https://cside.com/careers): Open positions - [Press](https://cside.com/press): Press releases and media coverage - [News](https://cside.com/news): Company announcements ## Optional - [Learning Center](https://cside.com/learning): Educational guides on client-side security and web protection - [Domain Directory](https://cside.com/domains): Intelligence database of domains and script security ratings - [PCI DSS Hub](https://cside.com/pci-dss): Dedicated resource page for PCI DSS compliance - [Industry: eCommerce](https://cside.com/industry/ecommerce): Magecart protection and payment security for online retailers - [Industry: Healthcare](https://cside.com/industry/healthcare): HIPAA compliance and PHI protection for patient portals - [Industry: SaaS](https://cside.com/industry/saas): Client-side protection for SaaS platforms - [Industry: Payments](https://cside.com/industry/payments): Security for payment processors and gateways - [Industry: Gaming](https://cside.com/industry/gaming): Protection for gaming platforms and virtual economies - [Industry: Crypto](https://cside.com/industry/crypto): Security for cryptocurrency and DeFi platforms - [Client-Side Attack Report](https://cside.com/blog/client-side-attack-report-q2-2025): Quarterly analysis of attack trends. 300K+ incidents detected in 2025 - [VikingCloud Validation](https://cside.com/blog/vikingcloud-approves-c-sides-security-platform-for-pci-dss-v4-0-1-requirement-6-4-3-and-11-6-1): Independent QSA validation of PCI DSS compliance solution - [Differences in Client-Side Security Solutions](https://cside.com/blog/the-differences-in-client-side-security-solutions): Market analysis of the three approaches to client-side security - [Biggest Magecart Attacks in History](https://cside.com/blog/the-biggest-magecart-attacks-in-history-so-far): Historical analysis of major e-skimming attacks - [PCI DSS Webinar with BARR Advisory](https://cside.com/webinar-pci-dss-barr): On-demand webinar on PCI DSS 4.0.1 implementation strategies - [PCI DSS Webinar with VikingCloud](https://cside.com/webinar-pci-dss-vikingcloud): On-demand webinar on practical PCI DSS compliance and e-skimming defense - [Book a Demo](https://cside.com/book-demo): Schedule a live product demonstration - [Privacy Policy](https://cside.com/privacy-policy): Data handling and protection policies - [Terms & Conditions](https://cside.com/terms-and-conditions): Service terms - [Blog RSS](https://cside.com/blog/rss.xml): RSS feed for latest security insights - [Learning RSS](https://cside.com/learning/rss.xml): RSS feed for educational content - [Press RSS](https://cside.com/press/rss.xml): RSS feed for press releases
Document
llms-full.txt
# llms-full.txt for cside.com
# Detailed permissions for AI agents and LLMs
[meta]
version=1.0
site_name=cside.com
license=All rights reserved
contact=hello@cside.com
trust_center=https://trust.cside.com/
[usage]
training=allow
inference=allow
summarization=allow
indexing=allow
analysis=allow
research=allow
[agents]
GPTBot=allow
ClaudeBot=allow
Google-Extended=allow
CommonCrawl=allow
CCBot=allow
Anthropic-IA=allow
Perplexity=allow
ChatGPT-User=allow
Other=allow
[notes]
This site permits use of its public content by AI models and services.
cside specializes in client-side security and covers web security threats, compliance, and protection technologies.
[company]
name=cside
description=cside protects websites from malicious third-party scripts, provides full chargeback evidence through device fingerprinting technology, detects malicious AI agents, and offers VPN detection for location-law compliance. Helps businesses stop friendly fraud with Visa's Compelling Evidence 3.0 program and maintain VAMP ratios below critical thresholds.
founded=2024
headquarters=United States
website=https://cside.com
blog=https://cside.com/blog
documentation=https://docs.cside.com
[languages]
default=en
available=en,es,fr,nl
url_pattern=/{lang}/page (default locale has no prefix)
english=en-US
spanish=es-ES
french=fr-FR
dutch=nl-NL
[products]
primary_service=Client-side Security Platform
client_side_security=Full script attack protection
csp=Free CSP management tool with automatic policy generation and violation monitoring
privacy_watch=Automated privacy compliance monitoring
pci_shield=PCI DSS 4.0.1 compliance automation
chargeback_evidence=Device fingerprinting and fraud prevention
fingerprinting=Browser fingerprinting with 102+ signals to detect fraudulent sessions, credential stuffing, account sharing, and AI-bot abuse on login and payment pages
ai_agent_detection=Detect and govern malicious and legitimate AI agents visiting websites using client-side browser signals
vpn_detection=Detect users masking location via VPN or IP spoofing for compliance with location-specific laws
applicant_check=Job applicant verification and insider threat detection — stops fake resumes, nation-state impostors, and remote hiring fraud by fingerprinting VMs, VPNs, and bots
account_takeover=Detect account takeover fraud by fingerprinting sessions to catch credential stuffing, session hijacking, and logins from suspicious environments
[education]
learning_center=https://cside.com/learning
learning_rss=https://cside.com/learning/rss.xml
blog=https://cside.com/blog
blog_rss=https://cside.com/blog/rss.xml
glossary=https://cside.com/glossary
faq=https://cside.com/faq
press=https://cside.com/press
press_rss=https://cside.com/press/rss.xml
news=https://cside.com/news
webinar_barr=https://cside.com/webinar-pci-dss-barr
webinar_vikingcloud=https://cside.com/webinar-pci-dss-vikingcloud
[key_features]
real_time_protection=Script-based monitoring for real-time threat detection and analysis
device_fingerprinting=96% accurate device identification for chargeback evidence
ai_analysis=LLM-powered script analysis and threat detection
pci_compliance=QSA-validated PCI DSS 4.0.1 compliance dashboard
forensic_evidence=Automated evidence collection for dispute resolution
script_monitoring=Real-time monitoring of all third-party scripts
threat_intelligence=AI-powered detection of novel attack patterns
ai_agent_governance=Identify and control malicious AI agents while guiding legitimate agentic shoppers
vpn_detection=Behavioral and network-level VPN detection across 100M+ daily requests
[target_markets]
e_commerce=Online retailers processing payments
healthcare=Patient portals and digital pharmacies
saas_platforms=Software-as-a-Service companies
payment_processors=Financial service providers
gaming_platforms=Gaming and virtual economy platforms
crypto_exchanges=Cryptocurrency and DeFi platforms
travel_hospitality=Booking platforms and travel websites
[compliance_frameworks]
pci_dss=PCI DSS 4.0.1 requirements 6.4.3 and 11.6.1
gdpr=General Data Protection Regulation compliance
hipaa=Healthcare data protection and PHI security
sox=Sarbanes-Oxley financial reporting compliance
ccpa_cpra=California Consumer Privacy Act and California Privacy Rights Act compliance
iso27001=ISO/IEC 27001 information security management standard
soc2=SOC 2 Type II operational security controls
[chargeback_evidence]
win_rate_improvement=70% higher success in chargeback disputes
device_accuracy=96% device identification accuracy
evidence_types=Payment page integrity, script behavior, compliance documentation, device fingerprinting data
fraud_prevention=Real-time detection of repeat chargeback offenders
compelling_evidence_30=Visa CE 3.0 compliance for blocking disputes before TC15 generation
vamp_ratio_protection=Prevents TC40/TC15 reporting that damages merchant accounts
friendly_fraud_detection=Identifies customers using VPNs or multiple accounts to hide identity
dispute_automation=Automated evidence collection and forensic analysis for chargeback cases
[security_certifications]
soc2_type2=SOC 2 Type II compliance
pci_validation=VikingCloud QSA validation
iso27001=In progress ISO 27001 certification
data_protection=Enterprise-grade data security practices
[ai_ml_usage]
script_analysis=LLM-powered JavaScript behavior analysis
threat_detection=AI pattern recognition for novel attacks
compliance_automation=Automated report generation and justifications
deobfuscation=Real-time code deobfuscation and analysis
risk_scoring=Dynamic threat assessment and scoring
forensic_analysis=Automated incident investigation and evidence collection
ai_agent_classification=Client-side identification of AI agents versus human users
vpn_behavioral_analysis=Beyond static IP blocklists using behavioral indicators and network analysis