Security & Viruses

Understand Potential Spam Scam Likely Spam Risk and Fraud call labels on iPhone and Android, including AT&T ActiveArmor T-Mobile Scam Shield Verizon Call Filter Google caller ID and third-party spam protection, how carriers use reported-number databases robocall patterns high call volume short duration sequential dialing and spoofing patterns, why labels are predictions not guarantees, different confidence levels, why flags are not personal, letting flagged calls go to voicemail, blocking and reporting numbers from Recents on iPhone and Android, enabling carrier spam filtering and Silence Unknown Callers, understanding spoofed numbers and mislabeled legitimate businesses pharmacies schools and small businesses, refusing personal account or payment information to unexpected callers, calling official numbers yourself, and reporting unwanted calls to FTC.

Explain botnets in plain English across computers phones routers smart cameras and smart home devices, including infected devices controlled together as bots or zombie devices, infection through phishing unpatched vulnerabilities malicious apps and default smart-device passwords, malware connecting to command servers, operators controlling thousands or millions of devices at once, hidden low-resource operation, DDoS attacks spam phishing credential stuffing and cryptocurrency mining, why routers cameras and smart devices are attractive targets, changing default passwords, updating firmware and software, avoiding untrusted apps and files, investigating slowdowns high data usage hot routers restarts and odd device lights, restarting devices and installing firmware updates.

Explain brute force attacks for email banking social media and website logins, including automated password guessing, true brute force trying every possible combination, dictionary attacks using common words and leaked passwords, credential stuffing with breached username-password pairs, why attacks stop when one combination works, why longer passwords and passphrases are exponentially harder to crack, current guidance favoring length over forced complexity, how multi-factor authentication blocks password-only guessing, why modern services slow or lock repeated attempts, why credential stuffing is more common than pure brute force, and using unique passwords stored in a password manager.

Explain data breaches for online accounts, including companies losing customer names passwords card numbers Social Security numbers and personal data, employee phishing unpatched software weak admin passwords and stolen credentials as common entry points, attackers copying databases and extracting data over time, company discovery and notification delays, stolen data sold leaked or used for identity theft and credential stuffing, reading breach notices to see whether emails usernames encrypted or plaintext passwords financial details or SSNs were exposed, changing reused passwords everywhere, enabling multi-factor authentication, using Have I Been Pwned and similar free breach search tools, and understanding a breach is usually a company-side failure with user-side consequences.

Understand data brokers and people-search sites for U.S. residents, including Whitepages Spokeo BeenVerified MyLife Intelius and TruthFinder, personal profiles with names addresses phone numbers relatives property records age purchase history and public records, public record scraping from deeds voter registrations court records and marriage licenses, data sold or shared by retailers apps and websites, social media scraping, cross-referencing multiple sources, U.S. privacy law patchwork and state opt-out rights, manually opting out of major brokers, searching site name plus opt out, repeating opt-outs after re-scraping, using paid services like DeleteMe or Incogni, checking state broker registries and centralized deletion efforts such as California Delete Act, freezing credit separately, reducing casual search exposure, protecting people facing harassment or stalking, reducing scam personalization, and understanding broker opt-outs do not replace credit monitoring.

Spot Walmart text scams on iPhone and Android, including fake gift card prize survey reward delivery problem and loyal shopper messages, unrealistic rewards, strange shortened or lookalike URLs such as walmart-rewards domains, urgency and 24-hour deadlines, requests for personal payment card or Social Security information, unusual random or overseas sender numbers, avoiding links and replies, forwarding spam texts to 7726, reporting to Walmart suspicious emails calls or texts pages, blocking senders on iPhone and Android, deleting messages, responding after tapping links or entering card passwords or personal data, checking real order status through the Walmart app or walmart.com, previewing links before tapping, and applying the same pattern to Amazon Target FedEx and UPS scams.

Fix a VPN that keeps disconnecting on Windows Mac iPhone and Android, including NordVPN ExpressVPN ProtonVPN and built-in VPN settings, switching protocols between UDP TCP WireGuard OpenVPN and IKEv2, testing connections for 15 to 20 minutes, stopping Android battery restrictions, enabling iPhone Background App Refresh, adjusting Windows battery saver efficiency mode and app background settings, changing Mac Low Power Mode and network sleep behavior, moving closer to routers, testing Ethernet mobile data and public Wi-Fi, restarting routers, changing VPN server locations, turning on kill switch, updating VPN apps, and contacting VPN support with protocol and drop timing details.

Compare VPNs and proxies on Windows Mac iPhone Android and browsers, including how both route traffic through another server and can hide an IP address from destination sites, VPN full-device encryption for all apps, proxies usually rerouting only one app or browser without full encryption, VPN speed tradeoffs, unsafe free public proxies, choosing VPNs for public Wi-Fi banking healthcare logins everyday privacy and network operator privacy, using proxies only for low-stakes single-site IP-based needs, understanding region access and proxy blocking, defaulting to reputable VPNs when unsure, checking no-logs policies audits business models and provider trust, and recognizing browser VPNs may be proxy services.

Spot timeshare resale and exit scams for U.S. owners, including unsolicited buyer offers, upfront closing costs transfer fees taxes and processing fees, knowing legitimate resale companies are paid after closing, skeptical fast buyer interest, exit companies that guarantee cancellation, fake government agency attorney regulator and recovery follow-up scams, checking companies with state attorneys general BBB complaints and scam searches, reading original contracts for rescission periods, contacting banks and card issuers after upfront fees, stopping further recovery payments, contacting resorts directly about owner services resale cancellation deed-back and surrender programs, reporting to FTC state attorneys general and BBB, and understanding low resale values and oversupply.

Spot USPS FedEx UPS and DHL delivery scam texts, including incomplete address customs fee redelivery and package hold messages, fake links and logos, small release fees, domains like usps-tracking-update instead of usps.com, shortened links, unknown tracking numbers, vague urgency, random phone numbers and email-to-text senders, avoiding links and STOP replies, checking real delivery status through official apps websites bookmarks and order-confirmation tracking numbers, calling official customer service for real customs questions, forwarding texts to 7726, reporting to USPS FedEx UPS DHL and FTC, blocking senders on iPhone and Android, deleting reported texts, contacting banks after card entry, changing reused passwords, watching for follow-up phishing, and understanding mass seasonal scam timing.