The CardBuzz blog
Card-by-card write-ups from our team, features, fees, lounge access and who each card actually suits. For the numbers after every cap and exclusion, head to the card pages.
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How-To GuidesBIN attacks: how fraudsters test card numbers and how issuers fight back
The first 6 to 8 digits of your card number — the Bank Identification Number, or BIN — identify the issuer and card network. Fraudsters know this, and in a BIN attack they take a known BIN and generate thousands of candi
How-To GuidesATM and POS skimming: how skimmers work and how to spot them
Skimming is physical fraud: a hidden device copies your card's magnetic-stripe data while you use an ATM or a payment terminal, and a tiny camera or keypad overlay captures your PIN. With both, criminals can clone your c
How-To GuidesJuice jacking: public charging ports and your card data
Juice jacking is the idea that a public USB charging port — at an airport, railway station, or mall — could be tampered with to access your phone's data while it charges. A standard USB cable carries both power and data,
How-To GuidesScreen-sharing scams: the AnyDesk and TeamViewer trap explained
Screen-sharing apps like AnyDesk, TeamViewer, and QuickSupport are legitimate tools — IT teams use them for remote support every day. Scammers have turned them into one of the most effective fraud weapons in India. The t
How-To GuidesQR code scams: when scanning a code can drain your money
QR codes are woven into everyday payments in India — kirana stores, restaurant tables, parking meters. Scammers have noticed. QR fraud almost never involves a technical hack; it exploits one simple misunderstanding about
How-To GuidesSIM swap fraud: how scammers hijack your number and how to lock it down
Your mobile number is the key to your banking life — OTPs for card payments, login codes, password resets all land there. SIM swap fraud works by stealing the key itself: the scammer convinces your telecom operator to is
How-To GuidesVishing scams: how fake bank calls work and the scripts they use
Vishing — voice phishing — is a phone call from someone pretending to be your bank. Unlike a spam message you can ignore, a skilled vishing caller sounds professional, knows the script cold, and keeps you talking just lo
How-To GuidesPhishing emails and SMS targeting cardholders: how to spot and stop them
Phishing is the oldest trick in the fraud playbook, and it still works: a message that looks like it came from your bank asks you to click a link, enter card details, or share an OTP. Modern versions are polished — prope
How-To GuidesThe credit card upgrade decision framework: a 15-minute exercise
Every upgrade decision reduces to one question: does the new card's net value exceed the current card's net value on your actual spending? This framework gives you the 15-minute exercise to answer it definitively.
How-To GuidesCredit card upgrade offers: how to evaluate what the bank sends you
"Congratulations! You've been pre-approved for an upgrade." Banks send these constantly — some are genuinely good deals, others are fee traps dressed as rewards. This guide teaches you to evaluate any upgrade offer in fi
How-To GuidesDowngrading your credit card: when less card is more
Upgrades get all the attention, but downgrades are the smarter move for a huge number of cardholders — anyone paying a premium fee for benefits they don't use. This guide covers when and how to step down gracefully.
Card ReviewsICICI Bank credit card upgrade paths in 2026
ICICI's card lineup — from the ubiquitous Platinum to the Emeralde Private Metal — offers a steady upgrade ladder, with the bank's massive customer base making upgrades relatively accessible. Here's how it works.