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@HindolSengupta #Kudankulam faced a low level avoidable Malware attack scare on one of its admin systems. To my understanding a lot of Indians dont understand the risks involved in surfing the net, so I build this thread on #CyberAttack and how to avoid them.
@HindolSengupta This is written as simply as possible, keeping Indian parents in mind.

1. 𝐏𝐚𝐬𝐬𝐰𝐨𝐫𝐝 𝐚𝐭𝐭𝐚𝐜𝐤 - Hackers steal passwords by trial & error, or calculated guess.
Remedy - Pick one strong 10+ digit Alphanumeric password. Keep switching CAPS, zeroes and O's.

(1/10)
@HindolSengupta Example - Pick your old car's number. Keep switching cases. Replace zero with O and vice versa.

2. 𝐄𝐚𝐯𝐞𝐬𝐝𝐫𝐨𝐩𝐩𝐢𝐧𝐠 - Hacker intrudes a client-server connection over the internet to spy on the traffic, in order to get relevant information.

Remedy - Firewalls.

(2/10)
@HindolSengupta 3. 𝐌𝐚𝐥𝐰𝐚𝐫𝐞/𝐀𝐝𝐰𝐚𝐫𝐞/𝐒𝐩𝐲𝐰𝐚𝐫𝐞 - Softwares installed on client system without consent. Includes droppers, trojans, logic bomb, macros (replicates files), worms, file infectors (.exe), system infectors (boot), Ransomware.

Remedy - Firewalls,Critical thinking
(3/10)
@HindolSengupta Bonus -
#Kudankulam just underwent a North Korean Malware attack on Indian nuclear facilities -

#Johannesburg was hit by a Ransomware attack 5 days ago -
@HindolSengupta 4. 𝐁𝐢𝐫𝐭𝐡𝐝𝐚𝐲 𝐚𝐭𝐭𝐚𝐜𝐤 - Every hashtag we use identifies our message by a Message Digest (MD) to ease listing. Hackers use two messages to deduce MD. These are targeted brute force attacks. No clarity on remedy.
(4/10)
@HindolSengupta We can also use Encryption to safeguard against Eavesdropping. Alan Turing broke the formidable German encryptor - The Enigma machine for. Enigma was used to encrypt German messages to all war fronts, scattered in Europe and elsewhere. Turing found a mathematical decryption key.
@HindolSengupta 5. 𝐏𝐡𝐢𝐬𝐡𝐢𝐧𝐠 𝐚𝐭𝐭𝐚𝐜𝐤𝐬 - Links attached in Emails and Spams. MO is to gain personal information for misuse.
Spear phishing - Targeted phishing, needs research.

Remedy- Critical thinking, Hover over links to to analyze URL, Sandboxing- Opening file in mail app.
(5/10)
@HindolSengupta 6. Denial-of-Service and Distributed DOS attacks - Overwhelms system's resources, slowing bandwidth and system. Types of DOS -
Teardrop attack - system gets confused
Smurf attack - IP spoofing
Ping of death - attacks Internet Protocol packets.
Botnets - Millions of system
(6/10)
@HindolSengupta Remedy for DOS attacks -
1. Place servers behind firewalls.
2. Disable IP directed broadcasts at router (IP or Internet Protocol is the set of rules for exchange of data among servers on the internet). By default routers have this disabled.
(7/10)
@HindolSengupta 7. 𝐏𝐨𝐥𝐲𝐦𝐨𝐫𝐩𝐡𝐢𝐜 is a Malware that shifts its details and trails by repeated encryption and decryption by help of a mutation engine. This should tell you better. It's from a #DanielCraig movie - Skyfall.

(8/10)
@HindolSengupta 8. The entire #Terminator franchise is based on an impending cyber-attack doom, engineered by a sentient AI - Skynet. This AI uses 𝗕𝗼𝘁𝗻𝗲𝘁 𝘃𝗶𝗿𝘂𝘀𝗲𝘀 to take over our systems.
Correct if I am wrong #TerminatorPopQuiz ?

(9/10)
@HindolSengupta This is what I do -
1. Really strong password 12+ digit Alphanumeric password. Keep it your main password. Use it liberally. Just throw masks such as #,@,*^ wherever you like in your sequence and toggle CAPS.
2. Use incognito for sensitive work
3. Use OTP
4. Think
(10/10)
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