Shaark.net Tech Tips
Stay informed with our latest cybersecurity tips and tricks.
Latest Tips
Secure Your Wi-Fi
Use WPA3 encryption and a strong password to protect your network from unauthorized access.
A weak Wi-Fi setup can allow attackers to intercept your data or join your network unnoticed.
Regularly check connected devices in your router settings to spot intruders.
Update Regularly
Keep your software and devices updated to patch vulnerabilities and stay ahead of threats.
Manufacturers release updates to fix security flaws that hackers might exploit.
Enable auto-updates where possible to ensure you’re always protected.
Use Two-Factor Authentication (2FA)
Enable 2FA on all your accounts to add an extra layer of security beyond just a password.
This typically involves receiving a code on your phone or using an authenticator app, making it much harder for attackers to gain access.
Even if your password is compromised, 2FA can prevent unauthorized logins.
Beware of Phishing Emails
Always check the sender’s email address carefully, as phishing emails often mimic legitimate companies to trick you into sharing personal info.
Avoid clicking links or downloading attachments from suspicious emails; instead, visit the official website directly.
Look for red flags like poor grammar, urgent demands, or unexpected requests for sensitive data.
Backup Your Data Regularly
Schedule automatic backups of your important files to an external drive or cloud service to protect against data loss.
Ransomware or hardware failure can strike anytime, so having recent backups ensures you can recover quickly.
Test your backups periodically to confirm they’re working and accessible when needed.
Use a Password Manager
A password manager generates and stores complex, unique passwords for all your accounts, reducing the risk of reuse.
You only need to remember one master password, making it easier to maintain strong security habits.
Many also alert you to weak or compromised passwords, keeping your accounts safer.
Lock Your Devices
Set strong PINs, passwords, or biometric locks on your phone, tablet, and computer to prevent unauthorized access.
If a device is lost or stolen, a lock can protect your personal data from prying eyes.
Enable remote wipe features so you can erase data if the device can’t be recovered.
Avoid Public Wi-Fi Without a VPN
Public Wi-Fi networks are often unsecured, allowing hackers to intercept your data like passwords or credit card numbers.
Use a Virtual Private Network (VPN) to encrypt your connection and keep your activity private.
Choose a reputable VPN provider with strong encryption and a no-logs policy.
Check Website Security
Look for “https://” and a padlock icon in the browser address bar before entering sensitive information.
These indicate the site uses encryption to protect your data from being intercepted.
Avoid sites without these indicators, especially for shopping or banking.
Limit App Permissions
Review and restrict app permissions on your devices to only what’s necessary for their function.
Many apps request access to your camera, microphone, or location without a clear need, risking your privacy.
Check settings regularly to revoke permissions from unused or suspicious apps.
Monitor Your Accounts
Regularly review bank and online account statements for unfamiliar activity or charges.
Set up alerts for logins or transactions to catch unauthorized access early.
Quick detection can limit damage and help you respond before it escalates.
Use Antivirus Software
Install reputable antivirus software to detect and remove malware, viruses, and other threats.
Keep it updated to protect against the latest attack methods circulating online.
Run regular scans to catch anything that might have slipped through initially.
Avoid Oversharing Online
Limit personal details shared on social media, like your address or vacation plans, to avoid tipping off thieves.
Cybercriminals can use this info for identity theft or targeted phishing attacks.
Adjust privacy settings to control who sees your posts and profile.
Secure Your Home Router
Change the default admin password on your router to something strong and unique.
Enable network encryption (preferably WPA3) and disable remote management to block outside access.
A compromised router can expose all connected devices to attackers.
Patch Operating Systems
Install updates for your computer or phone’s operating system as soon as they’re available.
These patches often fix security holes that hackers could exploit to gain control.
Enable automatic updates to ensure you’re always protected against known threats.
Be Cautious with Downloads
Only download files or software from trusted sources to avoid malware disguised as legitimate programs.
Verify the file’s digital signature or source URL before opening it on your device.
Even seemingly harmless files like PDFs can carry hidden threats if from unverified origins.
Use Encrypted Messaging
Opt for apps like Signal or WhatsApp that offer end-to-end encryption for your conversations.
This ensures only you and the recipient can read the messages, not even the service provider.
It’s especially useful for sensitive discussions or sharing personal details.
Disable Unused Features
Turn off Bluetooth, Wi-Fi, or GPS on your devices when not in use to reduce attack surfaces.
Hackers can exploit these features to track you or infiltrate your device if left active.
Check settings to ensure only essential services are running.
Shred Sensitive Documents
Use a cross-cut shredder for papers with personal info like bank statements or tax forms before disposal.
Dumpster divers can piece together unshredded documents to steal your identity.
Digital copies should be securely deleted with file-shredding software.
Avoid Fake Tech Support
Be wary of unsolicited calls or pop-ups claiming your device is infected and offering help.
Scammers often trick users into giving remote access or paying for fake services.
Contact official support channels directly if you suspect an issue.
Secure IoT Devices
Change default passwords on smart devices like cameras, thermostats, or doorbells.
Many IoT devices are vulnerable out of the box and can be hijacked for botnets or spying.
Keep their firmware updated to patch known security flaws.
Learn to Spot Deepfakes
Watch for unnatural facial movements or audio mismatches in videos that might be manipulated.
Deepfakes can impersonate trusted people to deceive you into sharing money or info.
Verify suspicious content by checking multiple sources or contacting the person directly.
Use Strong Email Practices
Create a unique email for sensitive accounts like banking, separate from casual use.
This reduces exposure if one account is breached and makes phishing harder to target.
Regularly clear out old emails containing personal data to minimize risk.
Enable Firewall Protection
Activate your device’s built-in firewall to block unauthorized incoming connections.
It acts as a barrier between your system and potential intruders on the network.
Configure it to allow only trusted apps and services for added control.
Avoid Jailbreaking Devices
Keep your phone or tablet’s original software to maintain built-in security features.
Jailbreaking removes protections, making it easier for malware to install or data to leak.
Updates may also stop working, leaving you exposed to unpatched vulnerabilities.
Check for Keyloggers
Regularly scan your system for keyloggers that record every keystroke, including passwords.
Be cautious with public or shared computers, as physical keyloggers can be attached to hardware.
Use virtual keyboards for sensitive inputs if you suspect monitoring.
Educate Yourself on Threats
Stay informed about the latest cybersecurity trends and scams through reputable news or blogs.
Knowledge helps you recognize and avoid new tactics hackers use to exploit users.
Share what you learn with family or colleagues to build a stronger defense network.