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The Hacker News

11 Old Microsoft-Signed Linux UEFI Shims Could Let Attackers Bypass Secure Boot

Cybersecurity researchers have discovered 11 old, Microsoft-signed, Unified Extensible Firmware Interface (UEFI) applications that could be abused to bypass Secure Boot on most systems using the modern firmware standard. "An attacker exploiting one of these vulnerable applications can execute untrusted code during system boot, enabling deployment of malicious UEFI bootkits or other malware,"

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ExternalSoftware Engineering
DZone

Differential Flamegraphs in Java in Jeffrey Microscope

In the first article, we got started with Jeffrey Microscope and learned to read a single flamegraph — the timeseries, search, tooltips, and the allocation and wall-clock variants. This time we build directly on that foundation and tackle one of Jeffrey's most powerful features for real-world performance work: the differential flamegraph, which compares two recordings and shows you precisely what changed between them. A single flamegraph tells you where your application spends its time. But the

DZoneRead original
External
The Hacker News

Study of 85 Crypto Wallet Extensions Finds Address Leaks and Cross-Site Tracking Risks

Researchers at KU Leuven tested 85 of the most popular crypto wallets that run as browser extensions and found that the wallets themselves leak enough to link and track the people using them. The way these wallets talk to websites and blockchain servers can tie a person's separate addresses together and let outsiders follow them from site to site. And on a site that already holds a name or

The Hacker NewsRead original

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