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A to Z · 26 articles

What does the AAVETech A-to-Z cyber security series cover?

The AAVETech A-to-Z blog is a 26-part series covering every major letter of the cyber security alphabet, written for Indian businesses, creators and individuals. Each article answers one question in plain language, states the numbers and the law that matter, and ends with the specific next step rather than a sales pitch.

Key takeaways

As of 24 October 2026: the service descriptions, prices and turnaround figures on this page are current.

What does the A-to-Z series cover?

26 articles across 26 letters. Each one answers a question a reader in India is actually asking, with the numbers and the law that apply here.

The AAVETech A-to-Z series: 26 articles across 26 letters
LetterArticleCategory
AHow Do You Secure Aadhaar and OTP Authentication in India?Privacy
BHow Do You Make Your Backups Ransomware-Resistant?Threats
CWhat Does Cyber Insurance Actually Cover in India?Business
DHow Do You Protect a Business from Deepfake Fraud in India?Threats
EWhat Should an Indian Business Encrypt, and How?Compliance
FDo You Still Need a Firewall if Your Staff Work from Phones?Services
GHow Do You Secure Your Google Business Profile From Hijacking?Business
HWhat Is Hacking in India, and When Does It Become a Crime?Awareness
IWhat Should You Do in the First 6 Hours of a Cyber Incident?Services
JIs Your JWT Implementation Safe, or Are You Leaking Sessions?Services
KIs Using Kali Linux for Penetration Testing Legal in India?Awareness
LIs Your LinkedIn Profile a Security Risk in India?Privacy
MHow Do You Secure Company Phones in the Indian Workforce?Services
NDoes Network Segmentation Actually Matter for a Small Business?Services
OIs OTP Fraud Still the Biggest Problem in Indian Banking?Awareness
PWhy Does Phishing Still Work on Indian Organisations?Threats
QShould Indian Businesses Worry About Quantum Breaking Encryption?Compliance
RIs Ransomware the Biggest Threat Facing Indian Businesses?Threats
SIs Social Engineering the Biggest Security Problem for Indian Firms?Awareness
TIs Two-Factor Authentication Still Worth It if It Uses SMS?Compliance
UHow Do You Stop UPI Payment Fraud in India?Awareness
VDoes Your Company VPN Make You Safer, or Just Move the Problem?Services
WHow Do You Stop a GhostPairing WhatsApp Takeover in India?Threats
XIs Cross-Site Scripting Still a Risk for Indian Websites?Threats
YAre Hardware Security Keys Worth the Cost for an Indian Business?Services
ZIs Zero Trust Architecture Realistic for an Indian Small Business?Business

Download the Medium article files

Which letter would you like to start with?

Pick a letter below, or work down the list. If you are not sure where to start, the most useful first article for a business owner is the one on ransomware, and for an individual it is the one on phishing.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

What are all 26 articles?

A

How Do You Secure Aadhaar and OTP Authentication in India?

Aadhaar and OTP authentication in India breaks through SIM porting, device takeover and reused e-KYC. What fails, what the IT Act says, and the fixes.

Privacy
B

How Do You Make Your Backups Ransomware-Resistant?

Ransomware-resistant backup for Indian SMEs: 3-2-1 copies, immutable storage, air-gapped copies, and the six restore drills that prove recovery.

Threats
C

What Does Cyber Insurance Actually Cover in India?

Cyber insurance in India 2026: what a policy covers, what it excludes, why premiums rose, and what insurers now demand before issuing a policy.

Business
D

How Do You Protect a Business from Deepfake Fraud in India?

Deepfake fraud in India 2026: a Rs 10 crore voice-clone heist, a Rs 1.07 crore fake investment ad, and the I4C controls that actually stop them.

Threats
E

What Should an Indian Business Encrypt, and How?

Encryption guidance for Indian businesses: what to encrypt, key management, data localisation under the DPDP Act 2023, and the cost of getting it wrong.

Compliance
F

Do You Still Need a Firewall if Your Staff Work from Phones?

Firewalls and network perimeter in 2026: what to filter, how cloud and BYOD broke the single edge, and the egress and segmentation rules that replace it.

Services
G

How Do You Secure Your Google Business Profile From Hijacking?

Google Business Profile hijacking in India: owner account takeover, clone listings, fake enquiry scams, and the two-factor access setup that stops the hijack.

Business
H

What Is Hacking in India, and When Does It Become a Crime?

Hacking in India explained: the difference between ethical hacking, grey-hat activity and offence under sections 43 and 66 of the IT Act 2000.

Awareness
I

What Should You Do in the First 6 Hours of a Cyber Incident?

The first 6 hours of a cyber incident in India: contain, preserve, report to CERT-In within 6 hours, and the 1930 helpline for financial fraud.

Services
J

Is Your JWT Implementation Safe, or Are You Leaking Sessions?

JWT and session security for Indian app teams: algorithm confusion, claim validation, token lifetime, cookie storage and the revocation mistakes that leak data.

Services
K

Is Using Kali Linux for Penetration Testing Legal in India?

Kali Linux and offensive tooling in authorised testing: what the distribution is for, what written authorisation must cover, and where testing turns to crime.

Awareness
L

Is Your LinkedIn Profile a Security Risk in India?

LinkedIn security for Indian professionals: impersonation pages, recruiter scams, credential stuffing and the account settings that stop both.

Privacy
M

How Do You Secure Company Phones in the Indian Workforce?

Mobile device security for Indian companies: MDM, app allow-lists, linked-device hygiene, the accounts-department phone hack, and practical controls.

Services
N

Does Network Segmentation Actually Matter for a Small Business?

Network segmentation for Indian SMEs: flat networks, VLANs, firewall rules and the 77 ransomware attacks that make lateral movement costlier.

Services
O

Is OTP Fraud Still the Biggest Problem in Indian Banking?

OTP fraud in India 2026: SIM porting, OTP interception, fake KYC calls, the 1930 helpline, and the customer losses the RBI will compensate from 2027.

Awareness
P

Why Does Phishing Still Work on Indian Organisations?

Phishing in India 2026: why it still works, business email compromise, AI-written scam mail, the strict DMARC gap, and how to run a measured staff simulation.

Threats
Q

Should Indian Businesses Worry About Quantum Breaking Encryption?

The quantum threat to encryption: harvest now, decrypt later, post-quantum migration, and what an Indian business should do about data with a long shelf life.

Compliance
R

Is Ransomware the Biggest Threat Facing Indian Businesses?

Ransomware in India 2026: 77 attacks in six months, SMB detections up to 4.07%, the Gentlemen group, and why two Kerala hospitals were hit in March 2026.

Threats
S

Is Social Engineering the Biggest Security Problem for Indian Firms?

Social engineering in India 2026: executive impersonation, help-desk calls, digital arrest scams, and the verification policies that actually stop them.

Awareness
T

Is Two-Factor Authentication Still Worth It if It Uses SMS?

Two-factor authentication for Indian businesses: SMS versus TOTP versus passkeys and security keys, banking rules, and what the IT Act says.

Compliance
U

How Do You Stop UPI Payment Fraud in India?

UPI payment fraud in India 2026: collect requests, PIN misuse, fake QR codes, the Rs 22,800 crore fraud figure, and what banks must do by 2027.

Awareness
V

Does Your Company VPN Make You Safer, or Just Move the Problem?

VPN security for Indian businesses: what a VPN does and does not protect, split tunnelling, legacy protocol fallback, and how remote access should be reviewed.

Services
W

How Do You Stop a GhostPairing WhatsApp Takeover in India?

WhatsApp takeover via device-linking pairing codes, which CERT-In rates High severity: how it works, the self-forwarding malware, and the controls that stop it.

Threats
X

Is Cross-Site Scripting Still a Risk for Indian Websites?

Cross-site scripting in 2026: stored versus reflected XSS, CSP and output encoding, token theft, and how AAVETech tests it in a penetration test.

Threats
Y

Are Hardware Security Keys Worth the Cost for an Indian Business?

Hardware security keys and YubiKey for Indian businesses: phishing-resistant MFA, passkeys, what they cost in India, and where they are not needed.

Services
Z

Is Zero Trust Architecture Realistic for an Indian Small Business?

Zero trust architecture for Indian SMEs: identity-first access, device posture, micro-segmentation, and a staged rollout that does not need a rewrite.

Business

What are the common questions about the series?

What is the AAVETech A-to-Z series?
It is one article for each letter of the alphabet, covering the cyber security terms a business owner, creator or individual in India actually meets. Every article opens with a direct answer, states the real numbers and the Indian law that applies, and ends with the specific next step rather than a sales pitch.
How long is each article?
Roughly 1,200 to 1,800 words, which is long enough to be useful and short enough to finish. Each one carries a comparison table where a table helps, and a set of frequently asked questions at the end.
Where are the articles published besides this site?
The series is also published on Medium, one article at a time, so the same writing reaches an audience that does not follow security sites. The canonical version of each article lives here, because it carries the structured data that makes it quotable.
Which article should I read first?
For a business owner, the ransomware article is the one that pays for itself. For an individual, the phishing article. For anyone who sells software or manages a brand, the deepfake fraud article. If you are not sure, start with the article for your situation rather than the one that sounds most alarming.
Can I republish an article?
You can quote and link to any article here. If you want to republish one in full, ask first, and we will usually say yes provided the canonical link back to the original is kept and the byline and review credit stay intact.

Have a question the series does not answer?

Tell us what you are dealing with. We will either point you at the right article, or give you a direct answer on the call.

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Last reviewed: 24 October 2026. Information on this page is general guidance, not legal advice. Prices are indicative bands for a typical scope and are confirmed in a written quote before any work begins.