What is Cybersecurity and Why it is Needed?

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Article Summary

Let’s face it; we live in a digital world. Our work lives, personal lives, and finances have all begun gravitating toward the world of the internet, mobile computing, and electronic media. Unfortunately, this widespread phenomenon makes us more vulnerable than ever to malicious attacks, invasions of privacy, fraud, and other such unpleasantries. That’s why cybersecurity is such a vital part of a secure and well-ordered...

Key Takeaways

  • This article explains What is Cybersecurity and Why it is Needed? in simple medical language.
  • This article explains The Different Forms of Cybersecurity Threats in simple medical language.
  • This article explains What Does Good Cyber-Security Look Like? in simple medical language.
  • This article explains Do You Want a Career in Cybersecurity? in simple medical language.
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Definition

Let’s face it; we live in a digital world. Our work lives, personal lives, and finances have all begun gravitating toward the world of the internet, mobile computing, and electronic media. Unfortunately, this widespread phenomenon makes us more vulnerable than ever to malicious attacks, invasions of privacy, fraud, and other such unpleasantries.

That’s why cybersecurity is such a vital part of a secure and well-ordered digital world. Cybersecurity keeps us safe from hackers, cyber criminals, and other agents of fraud. But how good is your cybersecurity knowledge?

We’ll help raise your cybersecurity awareness with this article. We’ll explore such critical topics why there’s a need for cybersecurity, what kinds of threats are out there, the best security measures, and what you can do personally to be more secure when using the internet.

What is Cybersecurity and Why it is Needed?

Cybercrimes have cost the world $2 trillion so far in 2019, according to recent research. Cybersecurity Ventures predicted in 2017 that damages would hit $6 trillion by 2021, prompting global spending of roughly $10 billion in cyber-security measures by 2027 to protect against these catastrophic losses.

But it’s not just the big companies and organizations that get hit. Average, everyday consumers experience phishing schemes, ransomware attacks, identity theft, data breaches, and financial losses. For instance, it takes just five minutes to hack an internet-connected device, which includes your smartphone, smartwatch, on-board automobile computer, smart television, and home control systems, according to a Netscout report.

This means the more we rely on the internet, the more we need good cybersecurity in all its forms. But first, let’s see what we’re up against.

Read more: Free Online Cybersecurity Courses With Certifications In 2022

The Different Forms of Cybersecurity Threats

When it comes to infiltrating your system, hackers have an entire toolbox worth of tricks at their disposal. For instance:

  • Denial-of-service (DoS) Attacks

    Hackers flood a network with requests to exhaust bandwidth. In many cases, DoS attacks are meant to be more of a nuisance than anything else.

  • Man-in-the-middle (MitM) Attack

    This attack happens when hackers insert themselves into a two-party communication. Once they’re in, they can steal data.

  • Phishing Attacks

    Phishing uses fake emails and text messages to get people to give hackers access to private information. It is one of the most regular attacks, especially against the general public.

  • Malware

    This attack method is broken down into spyware, ransomware, worms, and viruses. Emails or downloads usually deliver these attacks from suspicious sites.

  • SQL Injection Attack

    Hackers insert malicious code onto an SQL-using server, usually via a vulnerable website search box. Once carried out successfully, the attack lets the hacker see information otherwise kept off-limits.

  • Password Attack

    Just what it sounds like. Hackers try to crack a password, usually a poorly chosen one and gain network entry.

What Does Good Cyber-Security Look Like?

Considering the dizzying number of cyber-attacks mentioned previously, you can see the importance of employing active cybersecurity measures. Fortunately, there are many useful cybersecurity methods that you can practice both at home and at work. Keep these in mind, and you’ll reduce the likelihood of having a cybercrime on your hands!

  • Practice Good Password Selection

    Do you still have a “password” as your default password? If so, then shame on you! The ideal strong password is between 8 and 12 characters and includes upper and lower case letters, at least one number, and a unique character (such as !?, @). Don’t use simple passwords, and don’t use anything based on easy to find information about yourself.

  • Keep Your Wi-Fi Secure

    Speaking of passwords, don’t forget to protect your Wi-Fi network. Use WPA2 (Wi-Fi Protected Access version 2) for your security method.

  • Install Antivirus Software

    Fortunately, many internet providers bundle in some halfway decent antivirus software with their service. If your provider doesn’t, then pick up something from Norton, McAfee or Symantec; it’s not expensive, and it’ll pay for itself in the long run. Also, when you install the program, make sure it’s running!

  • Avoid Suspicious Emails and Texts

    Don’t recognize the email address or the phone number of the text sender? Don’t open it up, don’t reply. Don’t do anything other than deleting it! Many of these are the opening gambit in a phishing scam or identity theft attempt.

  • Use Firewalls and Encryption

    Firewalls help regulate network traffic, both inbound and outbound. That includes blocking off certain sketchy websites. Encryption is essential if you’re dealing with financial transactions, especially if you’re a business owner. Encryption software scrambles the data so that even if the information falls in the wrong hands, it’s useless unless the crooks also have access to the encryption key.

  • Don’t Lose Track of Mobile Devices

    One of the easiest yet most successful ways for hackers to get into your network is to just physically grab your laptop, tablet, or smartphone and log in. That’s why you should always make sure your devices never leave your sight when you go out. Never leave them unattended in public or alone with people you don’t know or trust. Furthermore, don’t forget to lock them with strong passwords!

  • Practice Good Bluetooth and GPS Usage

    Hackers can penetrate your system by using your GPS or Bluetooth connection. Your GPS lets people know where you are, so turn it off if you don’t need it. The same goes for Bluetooth; hackers can use it to gain access to your phone.

  • The more you know about cybersecurity, the more secure you can make your network, and the greater the peace of mind you will have. There are a host of online courses you can take to become better informed.

Do You Want a Career in Cybersecurity?

With all of this increased awareness in public and private sectors regarding cybersecurity, it should come as no surprise that there are consequently many opportunities to start a career in this intriguing field.

Whether you want to learn more about cybersecurity for personal use, upskill for your job position, or launch a new career, Simplilearn offers the Introduction to Cyber Security Course for Cyber Security Beginners. This introductory course will give you a foundational look at today’s cybersecurity landscape and how to evaluate and manage security protocols in information processing systems.

You will learn about information security courses in India, concepts and technologies, the principles behind security architecture, how to mitigate vulnerabilities and threats to your systems, and how to implement risk and incident management to protect your infrastructure from a cyber attack.

Once you complete this course, you can take your newfound cybersecurity knowledge to the next level by checking out one of our many other exciting and useful offerings, such as the CEH (v10) – Certified Ethical Hacking Course or the Cyber-Security Expert Master’s Program.

Check out Simplilearn’s offerings today. They’ll not only help you become savvier about cybersecurity but also will lay the groundwork for a better, more profitable career!

Doctor visit helper

Prepare before seeing a doctor

A simple rural-patient checklist to help you explain symptoms clearly, ask better questions, and avoid unsafe self-treatment.

Safety note: This is not a prescription or diagnosis. For severe symptoms, pregnancy danger signs, children with serious illness, chest pain, breathing difficulty, stroke-like weakness, or major injury, seek urgent care.

Which doctor may help?

Start with a registered doctor or the nearest qualified health center.

What to tell the doctor

  • Write when the problem started and how it changed.
  • Bring old prescriptions, investigation reports, and current medicines.
  • Write allergies, pregnancy status, diabetes, kidney/liver disease, and major past illnesses.
  • Bring one family member if the patient is weak, elderly, confused, or a child.

Questions to ask

  • What is the most likely cause of my symptoms?
  • Which danger signs mean I should go to hospital quickly?
  • Which tests are necessary now, and which can wait?
  • How should I take medicines safely and what side effects should I watch for?
  • When should I come for follow-up?

Tests to discuss

  • Vital signs: temperature, pulse, blood pressure, oxygen saturation
  • Basic physical examination by a clinician
  • CBC, urine test, blood sugar, or imaging only when clinically needed

Avoid these mistakes

  • Do not use antibiotics, steroid tablets/injections, or strong painkillers without proper medical advice.
  • Do not hide pregnancy, kidney disease, ulcer, allergy, or blood thinner use.
  • Do not delay emergency care when danger signs are present.

Medicine safety and first-aid guide

This section is for patient education only. It does not replace a doctor, pharmacist, or emergency care.

Safe first steps

  • Rest, drink safe water, and observe symptoms carefully.
  • Keep a written note of symptoms, duration, temperature, medicines already taken, and allergy history.
  • Seek medical care quickly if symptoms are severe, worsening, or unusual for the patient.

OTC medicine safety

  • For mild pain or fever, ask a registered pharmacist or doctor before using common over-the-counter pain/fever medicines.
  • Do not combine multiple pain medicines without advice, especially if you have kidney disease, liver disease, stomach ulcer, asthma, pregnancy, or take blood thinners.
  • Do not give adult medicines to children unless a qualified clinician advises it.

Avoid these mistakes

  • Do not start antibiotics without a proper medical decision.
  • Do not use steroid tablets or injections casually for quick relief.
  • Do not delay emergency care because of home remedies.

Get urgent help if

  • Severe symptoms, confusion, fainting, breathing difficulty, chest pain, severe dehydration, or sudden weakness need urgent medical care.
Medicine names, dose, and timing must be decided by a qualified clinician or pharmacist after checking age, pregnancy, allergy, other diseases, and current medicines.

For rural patients and family caregivers

Patient health record and symptom diary

Write your symptoms, medicines already taken, test results, and questions before visiting a doctor. This note stays on your device unless you print or copy it.

Doctor to discuss: Doctor / qualified healthcare provider
Tests to discuss with doctor
  • Basic vital signs: temperature, pulse, blood pressure, oxygen level if needed
  • Relevant blood, urine, imaging, or specialist tests only after clinical assessment
Questions to ask
  • What is the most likely cause of my symptoms?
  • Which warning signs mean I should go to emergency care?
  • Which tests are really needed now?
  • Which medicines are safe for my age, pregnancy status, allergy, kidney/liver/stomach condition, and current medicines?

Emergency warning signs such as chest pain, severe breathing difficulty, sudden weakness, confusion, severe dehydration, major injury, or loss of bladder/bowel control need urgent medical care. Do not wait for online information.

Safe pathway to proper treatment

Care roadmap for: What is Cybersecurity and Why it is Needed?

Use this simple roadmap to understand the next safe steps. It is educational and does not replace examination by a doctor.

Go to emergency care if you notice:
  • Severe or rapidly worsening symptoms
  • Breathing difficulty, chest pain, fainting, confusion, severe weakness, major injury, or severe dehydration
Doctor / service to discuss: Qualified healthcare provider; specialist depends on symptoms and examination.
  1. Step 1

    Check danger signs first

    If danger signs are present, seek emergency care and do not wait for online information.

  2. Step 2

    Record the symptom story

    Write when symptoms started, severity, medicines already taken, allergies, pregnancy status, and test results.

  3. Step 3

    Visit a qualified clinician

    A doctor, nurse, or qualified healthcare provider can examine you and decide which tests or treatment are needed.

  4. Step 4

    Do only useful tests

    Do tests after clinical assessment. Avoid unnecessary tests, random antibiotics, or repeated medicines without diagnosis.

  5. Step 5

    Follow up and return early if worse

    If symptoms worsen, new warning signs appear, or treatment is not helping, return for review quickly.

Rural patient practical tips
  • Take a written symptom diary and all previous prescriptions/test reports.
  • Do not hide medicines already taken, even herbal or over-the-counter medicines.
  • Ask which warning signs mean urgent referral to hospital.

This roadmap is for education. A real diagnosis and treatment plan requires history, examination, and clinical judgment.