CompTIA Security+ Certification : SY0-401 exam

CompTIA SY0-401 Actual PDF
  • Exam Code: SY0-401
  • Exam Name: CompTIA Security+ Certification
  • Updated: Jun 19, 2026
  • Q & A: 1790 Questions and Answers
Already choose to buy "PDF"
Price: $59.99 

About CompTIA Security+ Certification : SY0-401 Exam

No help, Full refund!

We look to build up R & D capacity by modernizing innovation mechanisms and fostering a strong pool of professionals. In addition, our Security+ CompTIA Security+ Certification exam study material keeps pace with the actual test, which means that you can have an experience of the simulation of the real exam. If you fail in the CompTIA Security+ Certification exam, we promise to give you a full refund with normal procedures; or you can freely change for another exam test. All in all, we are responsible for choosing our CompTIA Security+ Certification exam study material as your tool of passing exam.

It's the whole-hearted cooperation between you and I that helps us doing better. We have been engaged in specializing CompTIA CompTIA Security+ Certification exam prep pdf for almost a decade and still have a long way to go. No matter what difficult problem we may face up, we shall do our best to live up to your choice and expectation for CompTIA Security+ Certification exam practice questions.

Instant Download SY0-401 Braindumps: Our system will send you the TestPDF SY0-401 braindumps file you purchase in mailbox in a minute after payment. (If not received within 12 hours, please contact us. Note: don't forget to check your spam.)

One-year free update available

As more CompTIA Security+ Certification free study demo come into appearance, some products charge for extra update or service. However, our constant renewed questions, which have inevitably injected exuberant vitality to CompTIA Security+ Certification exam study materials, are well received by the general clients. The key point of our attractive exam study material is that we provide one-year free update and service for every customer. You have no need to spend extra money updating your CompTIA Security+ Certification exam study materials; we will ensure your one-year free update.

As is well-known to all, CompTIA Security+ Certification exam has been one of the most important examinations in the whole industry. We may foresee the prosperous talent market with more and more workers attempting to reach a high level through the Security+ certification. As a worldwide certification leader, our company continues to develop the best CompTIA Security+ Certification training pdf material that is beyond imagination. Under the support of our tech-product training material, we will provide best high-quality CompTIA Security+ Certification exam prep practice and the most reliable service for our candidates. To deliver on the commitments that we have made for the majority of candidates, we prioritize the research and development of our CompTIA Security+ Certification exam prep pdf, establishing action plans with clear goals of helping them get the Security+ certificate.

Free Download SY0-401 Test PDF

CompTIA SY0-401 Exam Syllabus Topics:

TopicDetails
Network Security 20%
Implement security configuration parameters on network devices and other technologies.1.Firewalls
2.Routers
3.Switches
4.Load balancers
5.Proxies
6.Web security gateways
7.VPN concentrators
8.NIDS and NIPS
  • Behavior-based
  • Signature-based
  • Anomaly-based
  • Heuristic
9.Protocol analyzers
10.Spam filter
11.UTM security appliances
  • URL filter
  • Content inspection
  • Malware inspection
12. Web application firewall vs. network firewall
13.Application aware devices
  • Firewalls
  • IPS
  • IDS
  • Proxies

Given a scenario, use secure network administration principles.1. Rule-based management2. Firewall rules
2.VLAN management
3. Secure router configuration
4. Access control lists
5. Port security
6. 802.1x
7. Flood guards
8. Loop protection
9. Implicit deny
10. Network separation
11. Log analysis
12. Unified threat management
Explain network design elements and components.1.DMZ
2. Subnetting
​3.VLAN
4.NAT
5.Remote access
6.Telephony
7.NAC
8.Virtualization
9.Cloud computing
  • PaaS
  • SaaS
  • IaaS
  • Private
  • Public
  • Hybrid
  • Community
10.Layered security/defense in depth
Given a scenario, implement common protocols and services.1.Protocols
  • IPSec
  • SNMP
  • SSH
  • DNS
  • TLS
  • SSL
  • TCP/IP
  • FTPS
  • HTTPS
  • SCP
  • ICMP
  • IPv4
  • IPv6
  • iSCSI
  • Fibre Channel
  • FCoE
  • FTP
  • SFTP
  • TFTP
  • TELNET
  • HTTP
  • NetBIOS
​2.Ports
  • 21
  • 22
  • 25
  • 53
  • 80
  • 110
  • 139
  • 143
  • 443
  • 3389
3.OSI relevance
Given a scenario, troubleshoot security issues related to wireless networking.1. WPA2. WPA2
3.WEP
4. EAP
5. PEAP
6. LEAP
7. MAC filter
8. Disable SSID broadcast
9. TKIP
10. CCMP
11. Antenna placement
12. Power level controls
13. Captive portals
14. Antenna types
15. Site surveys
16. VPN (over open wireless)
Compliance and Operational Security 18%
Explain the importance of risk related concepts.1.Control types
  • Technical
  • Management
  • Operational
2.False positives
3.False negatives
4.Importance of policies in reducing riskPrivacy policy
Acceptable use
Security policy
Mandatory vacations
Job rotation
Separation of duties
Least privilege
5.Risk calculation
  • Likelihood
  • ALE
  • Impact
  • SLE
  • ARO
  • MTTR
  • MTTF
  • MTBF
​6.Quantitative vs. qualitative
7.Vulnerabilities
8.Threat vectors
9.Probability/threat likelihood
10. Risk avoidance, transference, acceptance, mitigation, deterrence
11. Risks associated with cloud computing and virtualization
12. Recovery time objective and recovery point objective

Summarize the security implications of integrating systems and data with third parties.1. On-boarding/off-boarding business partners
2.Social media networks and/or applications
3.Interoperability agreements
  • SLA
  • BPA
  • MOU
  • ISA
4.Privacy considerations
5. Risk awareness
6. Unauthorized data sharing
7. Data ownership
8. Data backups
9. Follow security policy and procedures
10. Review agreement requirements to verify compliance and performance standards
Given a scenario, implement appropriate risk mitigation strategies.1. Change management2. Incident management
3. User rights and permissions reviews
4. Perform routine audits
5. Enforce policies and procedures to prevent data loss or theft
6.Enforce technology controls
  • Data Loss Prevention (DLP)
Given a scenario, implement basic forensic procedures.1. Order of volatility2. Capture system image
3. Network traffic and logs
4. Capture video
5. Record time offset
6. Take hashes
7. Screenshots
8. Witnesses
9. Track man hours and expense
10. Chain of custody
11. Big Data analysis
Summarize common incident response procedures.1. Preparation2. Incident identification
3. Escalation and notification
4. Mitigation steps
5. Lessons learned
6. Reporting
7.Recovery/reconstitution procedures
8.First responder
9. Incident isolation
  • Quarantine
  • Device remova
​10.Data breach
11.Damage and loss control
Explain the importance of security related awareness and training.1.Security policy training and procedures
2.Role-based training
3.Personally identifiable information
4.Information classification
  • High
  • Medium
  • Low
  • Confidential
  • Private
  • Public
5.Data labeling, handling and disposal
6. Compliance with laws, best practices and standards
7.User habits
  • Password behaviors
  • Data handling
  • Clean desk policies
  • Prevent tailgating
  • Personally owned devices
8. New threats and new security trends/alerts
  • New viruses
  • Phishing attacks
  • Zero-day exploits
9.Use of social networking and P2P
10. Follow up and gather training metrics to validate compliance and security posture

Compare and contrast physical security and environmental controls.1.Environmental controls
  • HVAC
  • Fire suppression
  • EMI shielding
  • Hot and cold aisles
  • Environmental monitoring
  • Temperature and humidity controls
2.Physical security
  • Hardware locks
  • Mantraps
  • Video surveillance
  • Fencing
  • Proximity readers
  • Access list
  • Proper lighting
  • Signs
  • Guards
  • Barricades
  • Biometrics
  • Protected distribution (cabling)
  • Alarms
  • Motion detection
3.Control types
  • Deterrent
  • Preventive
  • Detective
  • Compensating
  • Technical
  • Administrative

Summarize risk management best practices.1.Business continuity concepts
  • Business impact analysis
  • Identification of critical systems and components
  • Removing single points of failure
  • Business continuity planning and testing
  • Risk assessment
  • Continuity of operations
  • Disaster recovery
  • IT contingency planning
  • Succession planning
  • High availability
  • Redundancy
  • Tabletop exercises
2.Fault tolerance
  • Hardware
  • RAID
  • Clustering
  • Load balancing
  • Servers
3.Disaster recovery concepts
  • Backup plans/policies
  • Backup execution/frequency
  • Cold site
  • Hot site
  • Warm site

Given a scenario, select the appropriate control to meet the goals of security.1.Confidentiality
  • Encryption
  • Access controls
  • Steganography
2.Integrity
  • Hashing
  • Digital signatures
  • Certificates
  • Non-repudiation
3.Availability
  • Redundancy
  • Fault tolerance
  • Patching
4.Safety
  • Fencing
  • Lighting
  • Locks
  • CCTV
  • Escape plans
  • Drills
  • Escape routes
  • Testing controls


Threats and Vulnerabilities 20%
Explain types of malware.1. Adware2. Virus
3. Spyware
4. Trojan
5. Rootkits
6. Backdoors
7. Logic bomb
8. Botnets
9.Ransomware
10. Polymorphic malware
11. Armored virus
Summarize various types of attacks.1. Man-in-the-middle2. DDoS
3. DoS
4. Replay
5. Smurf attack
6. Spoofing
7. Spam
8. Phishing
9.Spim
​10. Vishing
11. Spear phishing
12. Xmas attack
13.Pharming
14. Privilege escalation
15. Malicious insider threat
16. DNS poisoning and ARP poisoning
17 Transitive access
18. Client-side attacks
19.Password attacks
  • Brute force
  • Dictionary attacks
  • Hybrid
  • Birthday attacks
  • Rainbow tables
20.Typo squatting/URL hijacking
21.Watering hole attack
Summarize social engineering attacks and the associated effectiveness with each attack.1. Shoulder surfing2. Dumpster diving
3. Tailgating
4. Impersonation
5. Hoaxes
6.Whaling
7.Vishing
8.Principles (reasons for effectiveness)
  • Authority
  • Intimidation
  • Consensus/social proof
  • Scarcity
  • Urgency
  • Familiarity/liking
  • Trust
Explain types of wireless attacks.1. Rogue access points2. Jamming/interference
3. Evil twin
4. War driving
5. Bluejacking
​6. Bluesnarfing
7. War chalking
8. IV attack
9. Packet sniffing
10. Near field communication
11. Replay attacks
12.WEP/WPA attacks
13.WPS attacks
Explain types of application attacks.1. Cross-site scripting2. SQL injection
3.LDAP injection
4. XML injection
5. Directory traversal/command injection
6. Buffer overflow
7. Integer overflow
8. Zero-day
9. Cookies and attachments
10. Locally Shared Objects (LSOs)
11. Flash cookies
12. Malicious add-ons
​13. Session hijacking
14. Header manipulation
15. Arbitrary code execution/remote code execution
Analyze a scenario and select the appropriate type of mitigation and deterrent techniques.1.Monitoring system logs
  • Event logs
  • Audit logs
  • Security logs
  • Access logs
2.Hardening
  • Disabling unnecessary services
  • Protecting management interfaces and applications
  • Password protection
  • Disabling unnecessary accounts
3.Network security
  • MAC limiting and filtering
  • 802.1x
  • Disabling unused interfaces and unused application service ports
  • Rogue machine detection
4.Security posture
  • Initial baseline configuration
  • Continuous security monitoring
  • Remediation
5.Reporting
  • Alarms
  • Alerts
  • Trends
6.Detection controls vs. prevention controls
  • IDS vs. IPS
  • Camera vs. guard




Given a scenario, use appropriate tools and techniques to discover security threats and vulnerabilities.1. Interpret results of security assessment tools
2.Tools
  • Protocol analyzer
  • Vulnerability scanner
  • Honeypots
  • Honeynets
  • Port scanner
  • Passive vs. active tools
  • Banner grabbing
3.Risk calculations
  • Threat vs. likelihood
4.Assessment types
  • Risk
  • Threat
  • Vulnerability
5.Assessment technique
  • Baseline reporting
  • Code review
  • Determine attack surface
  • Review architecture
  • Review designs

Explain the proper use of penetration testing versus vulnerability scanning.1.Penetration testing
  • Verify a threat exists
  • Bypass security controls
  • Actively test security controls
  • Exploiting vulnerabilities
2.Vulnerability scanning
  • Passively testing security controls
  • Identify vulnerability
  • Identify lack of security controls
  • Identify common misconfigurations
  • Intrusive vs. non-intrusive
  • Credentialed vs. non-credentialed
  • False positive
3.Black box
4. White box
5.Gray box

Application, Data and Host Security 15%
Explain the importance of application security controls and techniques.1.Fuzzing
2.Secure coding concepts
  • Error and exception handling
  • Input validation
3. Cross-site scripting prevention
4. Cross-site Request Forgery (XSRF) prevention
5. Application configuration baseline (proper settings)
6. Application hardening
7. Application patch management
8. NoSQL databases vs. SQL databases
9. Server-side vs. client-side validation
Summarize mobile security concepts and technologies.1.Device security
  • Full device encryption
  • Remote wiping
  • Lockout
  • Screen locks
  • GPS
  • Application control
  • Storage segmentation
  • Asset tracking
  • Inventory control
  • Mobile device management
  • Device access control
  • Removable storage
  • Disabling unused features
2.Application security
  • Key management
  • Credential management
  • Authentication
  • Geo-tagging
  • Encryption
  • Application whitelisting
  • Transitive trust/authentication
3.BYOD concerns
  • Data ownership
  • Support ownership
  • Patch management
  • Antivirus management
  • Forensics
  • Privacy
  • On-boarding/off-boarding
  • Adherence to corporate policies
  • User acceptance
  • Architecture/infrastructure considerations
  • Legal concerns
  • Acceptable use policy
  • On-board camera/video

Given a scenario, select the appropriate solution to establish host security.1. Operating system security and settings
2.OS hardening
3.Anti-malware
  • Antivirus
  • Anti-spam
  • Anti-spyware
  • Pop-up blockers
4. Patch management
5. Whitelisting vs. blacklisting applications
6. Trusted OS
7. Host-based firewalls
8. Host-based intrusion detection
9. Hardware security
  • Cable locks
  • Safe
  • Locking cabinets
10.Host software baselining
11.Virtualization
  • Snapshots
  • Patch compatibility
  • Host availability/elasticity
  • Security control testing
  • Sandboxing

Implement the appropriate controls to ensure data security.1. Cloud storage2. SAN
3. Handling Big Data
4. Data encryption
  • Full disk
  • Database
  • Individual files
  • Removable media
  • Mobile devices
5.Hardware-based encryption devices
  • TPM
  • HSM
  • USB encryption
  • Hard drive
6. Data in transit, data at rest, data in use
7. Permissions/ACL
8.Data policies
  • Wiping
  • isposing
  • Retention
  • Storage


Compare and contrast alternative methods to mitigate security risks in static environments.1.Environments
  • SCADA
  • Embedded (printer, smart TV, HVAC control)
  • Android
  • iOS
  • Mainframe
  • Game consoles
  • In-vehicle computing systems
2.Methods
  • Network segmentation
  • Security layers
  • Application firewalls
  • Manual updates
  • Firmware version control
  • Wrappers
  • Control redundancy and diversity
Access Control and Identity Management 15%
Compare and contrast the function and purpose of authentication services.1. RADIUS2. TACACS+
3.Kerberos
4.LDAP
5. XTACACS
6. SAML
7. Secure LDAP
Given a scenario, select the appropriate authentication, authorization or access control.1. Identification vs. authentication vs. authorization2. Authorization
  • Least privilege
  • Separation of duties
  • ACLs
  • Mandatory access
  • Discretionary access
  • Rule-based access control
  • Role-based access control
  • Time of day restrictions
3.Authentication
  • Tokens
  • Common access card
  • Smart card
  • Multifactor authentication
  • TOTP
  • HOTP
  • CHAP
  • PAP
  • Single sign-on
  • Access control
  • Implicit deny
  • Trusted OS
4.Authentication factors
  • Something you are
  • Something you have
  • Something you know
  • Somewhere you are
  • Something you do
5.Identification
  • Biometrics
  • Personal identification verification card
  • Username
6.Federation
7.Transitive trust/authentication



Install and configure security controls when performing account management, based on best practices.1. Mitigate issues associated with users with multiple account/ roles and/or shared accounts
2.Account policy enforcement
  • Credential management
  • Group policy
  • Password complexity
  • Expiration
  • Recovery
  • Disablement
  • Lockout
  • Password history
  • Password reuse
  • Password length
  • Generic account prohibition
3. Group-based privileges
4. User-assigned privileges
5. User access reviews
6. Continuous monitoring
Cryptography 12%
Given a scenario, utilize general cryptography concepts.1. Symmetric vs. asymmetric2. Session keys
3. In-band vs. out-of-band key exchange
4. Fundamental differences and encryption methods
  • Block vs. stream
5. Transport encryption
6. Non-repudiation
7. Hashing
8. Key escrow
9. Steganography
10. Digital signatures11. Use of proven technologies
12. Elliptic curve and quantum cryptography
13. Ephemeral key
14. Perfect forward secrecy
Given a scenario, use appropriate cryptographic methods.1. WEP vs. WPA/WPA2 and pre-shared key2. MD5
3.SHA 
4.RIPEMD
5. AES
6. DES
7.3DES
8.HMAC
9. RSA
10.Diffie-Hellman
11.RC4
12. One-time pads
13. NTLM
14.NTLMv2
15. Blowfish
16. PGP/GPG
17. Twofish
18. DHE
19. ECDHE
20. CHAP
21. PAP
22. Comparative strengths and performance of algorithms
23. Use of algorithms/protocols with transport encryption
  • SSL
  • TLS
  • IPSec
  • SSH
  • HTTPS
24.Cipher suites
  • Strong vs. weak ciphers
25.Key stretching
  • PBKDF2
  • Bcrypt

Given a scenario, use appropriate PKI, certificate management and associated components.1. Certificate authorities and digital certificates
  • CA
  • CRLs
  • OCSP
  • CSR
2. PKI
3. Recovery agent
4. Public key
5. Private key
6. Registration
7. Key escrow
8. Trust models

Professional team with specialized experts

We constantly accelerate the development of our R & D as well as our production capabilities with super capacity, advanced technology, flexibility as well as efficiency. Our CompTIA Security+ Certification exam prep pdf has organized a team to research and study question patterns pointing towards varieties of learners. We keep pace with contemporary talent development and makes every learners meet in requirements of the society. Passing the Security+ CompTIA Security+ Certification exam is not only for obtaining a paper certification, but also for a proof of your ability. Most of the candidates regard it as a threshold in finding a satisfying job. Our professional experts will spare no effort to help you go through all difficulties. They attach importance to checking our CompTIA Security+ Certification exam study material so that we can send you the latest CompTIA Security+ Certification valid training pdf. With updated version to match real exam scenarios, you can learn more professional knowledge to deal with the test.

Our SY0-401 exam dumps will include those topics:

  • Access Control and Identity Management 15%
  • Threats and Vulnerabilities 20%
  • Application, Data and Host Security 15%
  • Network Security 20%
  • Compliance and Operational Security 18%
  • Cryptography 12%

For more info visit: CompTIA Security

Reference: https://certification.comptia.org/certifications/security

What Clients Say About Us

LEAVE A REPLY

Your email address will not be published. Required fields are marked *

Quality and Value

TestPDF Practice Exams are written to the highest standards of technical accuracy, using only certified subject matter experts and published authors for development - no all study materials.

Tested and Approved

We are committed to the process of vendor and third party approvals. We believe professionals and executives alike deserve the confidence of quality coverage these authorizations provide.

Easy to Pass

If you prepare for the exams using our TestPDF testing engine, It is easy to succeed for all certifications in the first attempt. You don't have to deal with all dumps or any free torrent / rapidshare all stuff.

Try Before Buy

TestPDF offers free demo of each product. You can check out the interface, question quality and usability of our practice exams before you decide to buy.

Our Clients