5 Security Things to Know for the Week of Sept. 17

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1) Researchers have resurrected cold boot attacks with a vulnerability that affects all "sleeping" computers to expose encrypted data.

2) A malware operation known as 'Magecart' is taking down a new slate of victims.

3) A fresh ransomware strain is targeting a popular non-relational database.

4) Ramnit banking Trojan activity has seen a major surge in recent months.

5) The latest monthly round of Microsoft patches issued last week address 61 vulnerabilities, including one zero-day.