An anonymous reader quotes a report from Ars Technica: For months, Apple's corporate network was at risk of hacks that could have stolen sensitive data from potentially millions of its customers and executed malicious code on their phones and computers, a security researcher said on Thursday. Sam Curry, a 20-year-old researcher who specializes in website security, said that, in total, he and his team found 55 vulnerabilities. He rated 11 of them critical because they allowed him to take control of core Apple infrastructure and from there steal private emails, iCloud data, and other private information. Apple promptly fixed the vulnerabilities after Curry reported them over a three-month span, often within hours of his initial advisory. The company has so far processed about half of the vulnerabilities and committed to paying $288,500 for them. Once Apple processes the remainder, Curry said, the total payout might surpass $500,000. "If the issues were used by an attacker, Apple would've faced massive information disclosure and integrity loss," Curry said in an online chat a few hours after posting a 9,200-word writeup titled We Hacked Apple for 3 Months: Here's What We Found. "For instance, attackers would have access to the internal tools used for managing user information and additionally be able to change the systems around to work as the hackers intend." An Apple representative issued a statement that said: "At Apple, we vigilantly protect our networks and have dedicated teams of information security professionals that work to detect and respond to threats. As soon as the researchers alerted us to the issues they detail in their report, we immediately fixed the vulnerabilities and took steps to prevent future issues of this kind. Based on our logs, the researchers were the first to discover the vulnerabilities so we feel confident no user data was misused. We value our collaboration with security researchers to help keep our users safe and have credited the team for their assistance and will reward them from the Apple Security Bounty program."

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Brian Krebs writes via KrebsOnSecurity.com: There's an old adage in information security: "Every company gets penetration tested, whether or not they pay someone for the pleasure." Many organizations that do hire professionals to test their network security posture unfortunately tend to focus on fixing vulnerabilities hackers could use to break in. But judging from the proliferation of help-wanted ads for offensive pentesters in the cybercrime underground, today's attackers have exactly zero trouble gaining that initial intrusion: The real challenge seems to be hiring enough people to help everyone profit from the access already gained. One of the most common ways such access is monetized these days is through ransomware, which holds a victim's data and/or computers hostage unless and until an extortion payment is made. But in most cases, there is a yawning gap of days, weeks or months between the initial intrusion and the deployment of ransomware within a victim organization. That's because it usually takes time and a good deal of effort for intruders to get from a single infected PC to seizing control over enough resources within the victim organization where it makes sense to launch the ransomware. This includes pivoting from or converting a single compromised Microsoft Windows user account to an administrator account with greater privileges on the target network; the ability to sidestep and/or disable any security software; and gaining the access needed to disrupt or corrupt any data backup systems the victim firm may have. Each day, millions of malware-laced emails are blasted out containing booby-trapped attachments. If the attachment is opened, the malicious document proceeds to quietly download additional malware and hacking tools to the victim machine. From there, the infected system will report home to a malware control server operated by the spammers who sent the missive. At that point, control over the victim machine may be transferred or sold multiple times between different cybercriminals who specialize in exploiting such access. These folks are very often contractors who work with established ransomware groups, and who are paid a set percentage of any eventual ransom payments made by a victim company.

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