ROHIT SAINI - Guru

Bank accounts freeze

🚫 वायरल मैसेज अलर्ट 🚫

दोस्तों, जो “मैं अपनी निजी जानकारी और तस्वीरों के उपयोग के लिए फेसबुक या मेटा को कोई अनुमति नहीं देता…” वाला मैसेज सब कॉपी-पेस्ट कर रहे हैं, वो पूरी तरह फेक है।

✅ Facebook/Meta पर ऐसे कॉपी-पेस्ट करने से आपके अकाउंट या प्राइवेसी पर कोई असर नहीं पड़ता।
✅ आपके फोटो/डेटा की प्राइवेसी आपके अकाउंट की Privacy Settings से कंट्रोल होती है, ना कि ऐसे वायरल मैसेज से।
✅ ये “आज रात 9:20 बजे आधिकारिक मुहर” जैसी बातें सिर्फ डर फैलाने के लिए लिखी गई है।

👉 कृपया अफवाह फैलाने की बजाय सही जानकारी शेयर करें और अपनी प्राइवेसी सेटिंग्स चेक करें।
सोशल मीडिया पर सावधान रहें, समझदारी दिखाएं।

Rohit Saini
Cyber Security Expert

🔐 Microsoft goes passwordless by default for all new accounts.

No more passwords at sign-up—just passkeys, using biometrics or device PINs. It's phishing-resistant, backed by FIDO standards.

Existing users? You can remove your password now from settings.

The 10 important network concepts

-What is the IP Address?
(Internet Protocol) IP address is a unique numerical address that assigned to each device on a network to identify and locate it on the internet.

-What is the difference between IPv4 and IPv6?
The main difference between IPv4 and IPv6 is the address size of IP addresses. The IPv4 is a 32-bit address, whereas IPv6 is a 128-bit hexadecimal address it provides a large address space to supply IP addressing and additional security.

-What is a Subnet Mask?
Subnet mask is used to divide the IP network into subnetworks by specifying which portion of the address is the network and which portion is the host.

-What is the MAC Address?
MAC address is a Media Access Control address, which identifies different devices in the same local network.

-What is the Router?
Router is a network device that forwards data packets between different computer networks and allowing multiple devices to use the same Internet connection.

-What is OSI Model?
The OSI model is a conceptual framework, the communications between a computing system are split into seven different abstraction layers from physical layer to application layer.

-What is a Firewall?
A firewall is a network security device that monitors filters incoming and outgoing network traffic based on predefined security rules set by an organization.

-What is DNS, and why is used?
DNS (Domain Name System), translates human readable domain names into IP addresses, allowing users to access websites by name rather than IP address.

-What is a DHCP Server?
A DHCP server uses the Dynamic Host Configuration Protocol to automatically assign IP addresses and configuration information to devices on the network.

-What is the meaning of (NAT)?
Network Address Translation (NAT) is a service that enables private IP networks to use the internet and cloud. NAT translates private IP addresses in an internal network to a public IP address before packets are sent to an external network.

Kali Linux is vital in cybersecurity due to its extensive toolset for pe*******on testing and ethical hacking. 🛠️ It includes tools like Metasploit, Nmap, and Wireshark, which are essential for security assessments. As an open-source platform, it’s free and customizable, with strong community support.

🌐 Kali Linux is regularly updated to stay current with emerging threats, and it's widely used in cybersecurity training and certifications. 🎓 Its comprehensive features make it a key resource for identifying and addressing security vulnerabilities.

Assignment:
Question: Is a write blocker a hardware or software Component?
Question: Provide an example of the above component.
Question: What is the function of a write blocker?
Question: What is the retail price of a write blocker?

Hint: Above questions should be focused on the area of Digital Forensics.

Cyber Security Hint of the day:

Skills required to start a career in Cyber Security.

1. Building and using virtual machines.
2. Learn the command Line Interface.
3. Learn system administration
4. Learn computer networking. This is key.
5. Learn digital security

10 𝙋𝙝𝙮𝙨𝙞𝙘𝙖𝙡 𝙩𝙤𝙤𝙡𝙨 𝙛𝙤𝙧 𝙃𝙖𝙘𝙠𝙚𝙧

1. USB Rubber Ducky

2. Raspberry Pi

3. Arduino

4. Key logger

5. Network Tap

6. Pineapple WiFi

7. HDMI Sniffer

8. Signal Jammer

9. Raspberry Pi Zero

10. Lock Picking kit

🛡️ Calling all Cyber Enthusiasts!