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Cyber Companies Look for Stock Rebound After Down Week

By Kim S. Nash

 

Welcome back. Cybersecurity stocks didn't fare well last week. 

We track the 20 largest cyber companies by market capitalization. Of those, only Akamai Technologies finished the week higher, gaining 1.5%.

The other 19 firms declined, bringing the WSJ Pro Cyber Index down nearly 10.5%. Palo Alto Networks, the second largest firm in our index by market cap after Cisco Systems, ended the week down 11.9%. Shares of CrowdStrike Holdings and CyberArk Software each lost more than 10%.

More news: 

  • Banks' accounting, legal data exposed 
  • CrowdStrike fires worker for allegedly sharing material with hacker
  • Poetry makes chatbots violate safety rules
  • And more
 

‏‏‎ ‎

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More Cyber News

ILLUSTRATION: THOMAS R. LECHLEITER

Big banks are learning that a hack at a real-estate tech provider has compromised their accounting records and files about certain legal proceedings. New York-based SitusAMC said data about its clients' customers could also have been exposed. SitusAMC detected suspicious activity Nov. 12 and has since contained the incident, the company said Saturday. 

  • SitusAMC said it has reset credentials, disabled remote-access tools and updated firewall rules, among other steps, and continues to investigate. 

CrowdStrike fires employee for allegedly sharing information with hacking group. A company spokesman said CrowdStrike fired a "suspicious insider" after determining "he shared pictures of his computer screen externally.” The hacking group known as Scattered Lapsus$ Hunters claimed it had access to CrowdStrike information. (TechCrunch)

Election security in question: Cuts to staff and funding of the U.S. Cybersecurity and Infrastructure Security Agency have sparked worries among state and local officials about securing the 2026 elections. Election workers have relied on threat intelligence from CISA as well as the agency's guidance on preparing for mishaps. The National Association of Secretaries of State hasn't heard from Homeland Security Secretary Kristi Noem in detail about services states can expect to receive from CISA as elections draw near. (Associated Press)

Wooing chatbots with poetry can override safety rules, researchers say. Feeding requests in the form of poetry to provide jail-breaks, privacy intrusions and other hacking artifacts to large language models resulted in immediate compliance, according to computer researchers at Sapienza University of Rome. Such "adversarial poetry" shows the limitations of the technology, they said. (PC Gamer)

  • Here is their paper about bad outcomes from prompts with imagery, metaphor or rhythmic structure.
 

About Us

The WSJ Pro Cybersecurity team is Deputy Bureau Chief Kim S. Nash and reporters Angus Loten and James Rundle. Follow us on X @WSJCyber. Reach the team by replying to any newsletter you receive or by emailing Kim at kim.nash@wsj.com.

 
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