Sliced into Spam and found firm white chunks embedded throughout. Is that mold or something bad

In terms of texture, Spam should feel firm yet slightly springy. A mushy or overly soft texture can indicate deterioration.
6. When White Spots Might Be a Safety Concern
White spots in Spam are typically safe as long as they are firm and do not have any unusual odor. However, if the spots are accompanied by a sour smell or the texture of the Spam is off, it may be wise to err on the side of caution.
In such cases, the white spots could indicate a breakdown of the fat due to spoilage rather than just solidified pork fat.
7. How Expiration Dates, Storage, and Temperature Affect Spam Quality
The expiration date on a can of Spam indicates its peak quality. While Spam can be safe to eat past this date due to its preservatives, quality may decline.
Proper storage is crucial for maintaining quality. Spam should be kept in a cool, dry place. Exposure to high temperatures can compromise the can’s integrity and lead to spoilage.
8. Safe Handling and Storage Tips to Prevent Real Mold
Once Spam is opened, it should be refrigerated and consumed within 3-5 days for optimal safety.
Keeping the product tightly sealed and stored in an airtight container can prevent mold growth. It’s also important to use clean utensils when handling Spam to avoid introducing contaminants.