As an AI language model, I don't have access to real-time data or the ability to provide specific examples or references. However, I can provide some general insights on the topic.

It is not uncommon for credit card declines due to fraud or security alerts to increase over time. Credit card issuers and banks constantly update their fraud detection systems to enhance security and protect their customers' accounts. These systems use various algorithms and patterns to identify potentially fraudulent transactions.

Factors that can contribute to an increase in credit card declines for fraud/security alerts include:

1. Increased fraud attempts: As technology advances, so do the methods used by fraudsters. They continuously develop new techniques to exploit vulnerabilities in payment systems, which can lead to an increase in declined transactions.

2. Stricter fraud detection measures: Banks and credit card issuers may implement stricter fraud detection measures to prevent unauthorized transactions. This can involve analyzing transaction patterns, comparing them to the customer's usual spending habits, or using machine learning algorithms to identify suspicious activity.

3. Data breaches and compromised accounts: Large-scale data breaches or compromised accounts in other services can lead to an increase in fraudulent transactions. Stolen credit card information is often sold on the dark web, resulting in a higher number of fraudulent attempts.

4. Geographic or unusual spending patterns: If a customer suddenly makes transactions from a different country or in an unusual spending pattern, it may trigger a fraud alert and result in a declined transaction. This is done to protect the customer's account from potential unauthorized use.

To address this issue, it is important for businesses to stay updated on the latest fraud prevention techniques and payment security measures. This includes implementing secure payment gateways, using tokenization or encryption for sensitive data, and educating customers about potential fraud risks.

It is also advisable to work closely with your payment processor or acquiring bank to understand their fraud detection systems and any specific changes that may be affecting your business. They can provide insights and guidance on how to minimize the impact of declined transactions and help ensure a smooth payment experience for your customers.