Author | Lightnews

C.Ellyson @techwithellyson.bsky.social · 6h

Cybersecurity Quiz: What does MFA stand for in security?
A) Multi-Factor Authentication
B) Main Firewall Access
C) Malware Filtering Algorithm
D) Mobile File Archive

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C.Ellyson @techwithellyson.bsky.social · 10h

Cybersecurity Quiz: What's a zero-day exploit?
A) Attack on day zero of a month
B) Vulnerability unknown to vendor
C) Daily backup failure
D) Zero-encryption hack

C.Ellyson @techwithellyson.bsky.social · 18h

AI Quiz: Which AI subset is natural language processing?
A) NLP
B) SQL
C) HTTP
D) FTP

C.Ellyson @techwithellyson.bsky.social · 1d

Cybersecurity: Zero Trust
Hackers love trust. Zero Trust? Never assume safety—verify EVERY user/device. No exceptions. It's the backbone of modern security. What's your go-to Zero Trust tool? 👇 #zerotrust

C.Ellyson @techwithellyson.bsky.social · 1d

Blockchain Security Quiz: Which protocol helps secure blockchain transactions?
A) Consensus mechanisms
B) HTTP
C) FTP
D) SSL/TLS

C.Ellyson @techwithellyson.bsky.social · 1d

Blockchain Security Quiz: What is a hard fork's security implication?
A) Encrypts all data
B) Can split the chain, causing disputes
C) Removes old blocks
D) Always improves security

C.Ellyson @techwithellyson.bsky.social · 1d

Computer Networking Quiz: What's a subnet mask for?
A) Divide network into subnets
B) Mask user identity
C) Encrypt data
D) Boost speed

C.Ellyson @techwithellyson.bsky.social · 2d

Blockchain Security Quiz: What's the role of hashing in blockchain security?
A) Ensuring data integrity
B) Speeding up transactions
C) Storing user info
D) Compressing data

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C.Ellyson @techwithellyson.bsky.social · 2d

Blockchain Security Quiz: Which attack targets oracles in DeFi?
A) DDoS
B) Man-in-the-middle
C) Phishing
D) Flash loan attack

C.Ellyson @techwithellyson.bsky.social · 3d

Blockchain Security Quiz: What is multi-signature (multisig) for?
A) Creating multiple chains
B) Requiring multiple approvals for transactions
C) Multiplying rewards
D) Signing multiple blocks

C.Ellyson @techwithellyson.bsky.social · 3d

Blockchain Security Quiz: What is a 51% attack?
A) Hacking 51% of wallets
B) Controlling over half the network's mining power
C) Encrypting 51% of blocks
D) Adding 51% more nodes

C.Ellyson @techwithellyson.bsky.social · 3d

Blockchain Security Quiz: Which vulnerability affects smart contracts on Ethereum?
A) SQL injection
B) Cross-site scripting
C) Buffer overflow
D) Reentrancy attack

C.Ellyson @techwithellyson.bsky.social · 4d

True 😄

C.Ellyson @techwithellyson.bsky.social · 4d

Blockchain Security Quiz: What does 'private key' secure in blockchain?
A) Network consensus
B) Public ledger access
C) Ownership of assets
D) Block validation

C.Ellyson @techwithellyson.bsky.social · 4d

Blockchain Security Quiz: What's a common way to prevent double-spending?
A) Unlimited transactions
B) Centralized authority
C) Proof of Work
D) Anonymous users

C.Ellyson @techwithellyson.bsky.social · 4d

Blockchain Security Quiz: What is sybil attack in blockchain?
A) Modifying past blocks
B) Stealing private keys
C) Overloading the network
D) Creating multiple fake identities

C.Ellyson @techwithellyson.bsky.social · 5d

DevSecOps Engineer
Secure code pipelines! Blend DevOps & security. Tools: Entry: Jenkins, GitLab CI. Mid: Snyk, OWASP ZAP. Senior: Aqua Security, Prisma Cloud. 2025 automation rules! Your DevSecOps pick? Share! 🔧

C.Ellyson @techwithellyson.bsky.social · 5d

Blockchain Developer
Code the future! Build secure chains. Tools: Entry: Solidity, Remix. Mid: Truffle, Hardhat. Senior: Chainlink, Ethers.js. DeFi booming in 2025! Fave blockchain tool? 👇

C.Ellyson @techwithellyson.bsky.social · 5d

Network Engineer
Keep data flowing! Manage networks. Tools: Entry: Cisco Packet Tracer, GNS3. Mid: SolarWinds, Wireshark. Senior: SD-WAN, NetFlow. 5G drives 2025! Worst network fail?

C.Ellyson @techwithellyson.bsky.social · 6d

Cloud Engineer
Cloud conqueror! Deploy scalable apps. Tools: Entry: AWS CLI, Docker. Mid: Kubernetes, Ansible. Senior: Helm, Istio. 90% orgs cloud-bound in 2025! Top cloud tool? Share! ☁️

C.Ellyson @techwithellyson.bsky.social · 6d

AI/ML Engineer
Train AI to think! Build smart models. Tools: Entry: Python, TensorFlow. Mid: PyTorch, Jupyter. Senior: Kubeflow, ONNX. AI ethics hot in 2025! What's your AI stack? Tell us! 🧠

C.Ellyson @techwithellyson.bsky.social · 6d

Security Engineer
Build fortress tech! Secure systems w/ Zero Trust. Tools: Entry: AWS IAM, Firewall CLI. Mid: Terraform, Palo Alto. Senior: HashiCorp Vault, Zscaler. Cloud's king in 2025! Fave tool? Drop it! 🛡️

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C.Ellyson @techwithellyson.bsky.social · 7d

Incident Responder
Breach buster! Investigate & recover. Tools: Entry: Autopsy, FTK Imager. Mid: EnCase, Volatility. Senior: XDR platforms, SANS SIFT. Ransomware's spiking—ready? Share a forensics win! 🕵️

C.Ellyson @techwithellyson.bsky.social · 7d

Cybersecurity Analyst
Hackers beware! Monitor threats in SOCs. Tools: Entry: Splunk, Wireshark. Mid: CrowdStrike, Zeek. Senior: QRadar, ELK Stack. 2025 demand soaring! What's your go-to cyber tool? 👇

C.Ellyson @techwithellyson.bsky.social · 9d

Cybersecurity Quiz: What's the primary purpose of a firewall?
A) To encrypt data
B) To block unauthorized access
C) To store passwords
D) To scan for viruses