اخبار امنیتی

Schneier on Security

Compromised TLS Certificates

۱۴۰۵/۰۸/۰۱ · ۱۱ روز پیش امنیت سایبری Schneier on Security

The Indian CA eMudhra Limited has eight TLS certificates with laughably weak private keys : The compromised eMudhra keys were defective at a level that’s challenging the imagination of many of the engineers studying the incident. A normal size for a NIST P-384 elliptic curve cryptography private key contains roughly 384 bits of entropy, a size allowing almost 2 384 , or a number with 116 digits,…

Krebs on Security

Widespread PHP Flaw May Cause Many Site Outages Today

۱۴۰۵/۰۷/۲۹ · ۱۳ روز پیش آسیب‌پذیری Krebs on Security

Expect to see quite a few websites serving "404" or "Page Not Found" errors today: Nearly 70 percent of websites need to update their core software to fix a pair of vulnerabilities that allow an attacker to seize full control over affected servers. Experts say there are working exploits for the flaws, and that these critical bugs are already being exploited in the wild.

پوشش در رسانه‌های دیگر: Schneier on Security
Graham Cluley

Smashing Security podcast #489: How a brand new crypto wallet came with a spy inside

۱۴۰۵/۰۷/۳۰ · ۱۳ روز پیش هوش مصنوعی Graham Cluley

Imagine buying a brand new hardware wallet for your cryptocurrency with the shrink-wrap still on... what could possibly be hiding inside? We break out a Geiger counter and a cat to find out. Meanwhile, malicious ads are targeting journalists with zero-click attacks. Plus, Origin’s Spencer Thompson reveals what AI agents are really getting up to on your employees’ laptops when nobody’s looking.…

Graham Cluley

Police arrest Qilin ransomware suspect on holiday, as links made to Synnovis hack that contributed to patient’s death

۱۴۰۵/۰۷/۲۸ · ۱۴ روز پیش باج‌افزار Graham Cluley

A 28-year-old Russian man has been arrested by German police, suspected of being a key member of the Qilin ransomware gang. Detectives have linked the man to the attack against blood-testing firm Synnovis, that disrupted London hospitals, and resulted in the death of a patient. Read more in my article on the Hot for Security blog.

Krebs on Security

Feds Suspect Ransom Negotiator Ran ShinyHunters Extortion Site

۱۴۰۵/۰۷/۲۷ · ۱۵ روز پیش باج‌افزار Krebs on Security

U.S. federal investigators pursuing the ShinyHunters hacking group that recently stole highly sensitive data from the FBI have identified executives at two different ransomware negotiation firms who maintained unusually close relations with the extortion group, KrebsOnSecurity has learned. Sources close to the investigation say one of the executives in the United States even helped ShinyHunters…

Graham Cluley

Smashing Security podcast #488: How a ransomware negotiator ended up arrested at his own conference

۱۴۰۵/۰۷/۲۳ · ۲۰ روز پیش باج‌افزار Graham Cluley

A ransomware negotiator attended a cybersecurity conference, only to be arrested by the FBI in connection with its investigation into the ShinyHunters gang. Meanwhile, hackers get the keys to ASOS's app and the chance to message every single customer. What did they say? And how did the company respond? We have thoughts. All this and more is discussed in episode 488 of the "Smashing Security"…