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Showing posts with label malware. Show all posts
Showing posts with label malware. Show all posts

Thursday, December 3, 2020

Various Social Engineering Threats

Social engineering is the clever manipulation of people to gain access to privileged information. It can occur on the telephone, in person, or via email.


SHOULDER SURFING

Shoulder surfing refers to looking over someone's shoulder to obtain information. Be mindful of people nearby when working with sensitive business information. If you step away from your computer, lock it so that others can’t see or access confidential information.

Use a privacy screen to cover your laptop or tablet screen while in use. If you witness someone hovering, acknowledge the person to see what they need. Bring to your supervisor's attention if you are suspicious of their intentions.


TAILGATING

Tailgating is an unauthorized person attempting to gain access to secure office space. Be mindful of people entering behind you. Do not allow tailgating.

Refer anyone without a company badge to reception or security. If you feel threatened or notice suspicious behavior, report the incident to concerned department in your org. In the event of imminent harm, contact local emergency services.


EAVESDROPPING

Eavesdropping refers to secretly listening in on conversations to capture information. Be mindful of who is around when discussing or conducting company business. Do not discuss company business in hallways, shared building spaces, or public places.

Keep confidential discussions behind closed doors.


VISHING

Vishing (voice phishing) happens when you receive a phone call from someone impersonating a trusted source, like your bank, a client, or an employee. They may say there's a problem with your bank account, or credit card and direct you to a web site or phone number where you will be asked to provide personal or company information to verify your identity or account. Beware! They are trying to steal your money, identity, or gain access to organization systems. If you access the Vishing web site from your workstation or smart device, it's possible for hackers to access anything stored there.

Follow your policies and procedures; do not provide personal or payment information to unsolicited callers. Do not attempt to call the number back. Do not take direction from the caller about navigation or use of your tools and systems.

Do not disclose any information unless you are able to verify them, and they are authorized (e.g., if they state they're an employee try to reach them on IM). If you receive a call or a text you suspect to be vishing or smishing, contact spoof@majftech.com with as much information as is available.


SMISHING

Smishing happens when you receive a text message (SMS = smishing) from someone impersonating a trusted source, and the same threats apply as with Vishing.

Do not text scammers back. If you receive a call or a text you suspect to be vishing or smishing, contact spoof@majftech.com with as much information as is available.


PHISHING

Phishing is a form of social engineering in which a fraudulent message is sent to you with the intent of tricking you into opening an attachment, clicking a link, or responding to the message. Phishing typically occurs over email, but can happen during a phone call, through a chat program, in a text message, or even in-person!

Successful phishing attacks can steal your credentials (passwords), install malware on your computer, trick you into disclosing confidential company data, or convince you to take unauthorized actions that benefit the phisher. It is no surprise, that phishing is one of the most common attacks leading to data breaches you see in the news.cWith all the technological defenses in place to prevent phishing emails from landing in your inbox, it’s still one of our biggest security vulnerabilities! Our best resource in defending against phishing is YOU!



Learn the warning signs of such emails:

  • Unexpected sender or content
  • Threats, urgency, and secrecy
  • Phishing or Spam?
  • Promised lottery or super amazing deals


What to do If you think you have received a phishing email:

  • DO NOT reply to the message.
  • DO NOT click on links or open attachments.
  • DO report the email by creating a new email message, attaching the phish email, and sending to spoof@majftech.com.
  • DO NOT send or "forward" the phishing email to anyone as this can cause further exposure.
  • DO permanently delete the phishing email.
  • Does the message push for urgent action?
  • Does the message threaten bad things will happen if you don't do what it says?
  • Is it unusual to use email as authorization for wire transfer? 

Sunday, April 23, 2017

Pen drive show empty even when data exists : SOLVED : Hidden files/ Virus Security

This is a common symptom when your computer, hard drive or the PD is infected with a malware. You are 100% sure that the disk contains data but that is not visible in the file explorer.

Now there can be multiple ways ti identify and fix it. They are mentioned as following:

1. Simplest is to check if the files are hidden and your explorer settings do not allow you to view hidden files.
To overcome this go to the file/folder settings View -> And select the 'Show System or Hidden files'

2. You definitely have to eventually scan the disk by Antivirus. Do that and the disk will become clean again

3. There is a short DOS level command that could help you overcome the situation.

Steps:

a. Open the DOS command. For the newbies, its a Black command terminal window
You can start it by goint to Start -> Run ->cmd

b. Change your working drive to the target drive. For eg. if your pendrive or disk is E: drive run the following command on DOS terminal
That is, type the following command and press Enter

E:\>attrib -h -r -s /s /d e:\*.*

Now this magical command will not display anything on the terminal. But your work will be done!

This will recursively make all your files and folder on the target drive as Non-hidden.

So now go to File System explore of Windows and open the drive. Voila! Your items are now visible!