Your email has been successfully added to our mailing list.

×
-0.00037163208423662 6.19386807060446E-05 -0.000247754722824531 6.19386807060446E-05 0.00161040569835857 -0.00563641994425517 -0.0107153917621556 -0.0107153917621556
Stock impact report

HackerOne Introduces h1 Validation to Help Enterprises Manage Surge in AI-Discovered Vulnerabilities [Yahoo! Finance]

General Motors Company (GM) 
Last general motors company earnings: 2/5 08:05 am Check Earnings Report
US:NYSE Investor Relations: gm.com/investors/index.html
Company Research Source: Yahoo! Finance
SAN FRANCISCO, April 21, 2026 BUSINESS WIRE HackerOne , a global leader in Continuous Threat Exposure Management (CTEM), today announced h1 Validation, a new offering designed to help enterprises manage the surge and complexity of vulnerabilities uncovered by frontier AI models. As systems like Claude Mythos and OpenAI's GPT-5.4-Cyber accelerate vulnerability discovery speed and scale, the gap between discovery and remediation is widening, while adversaries move faster to exploit them. New data from the HackerOne platform shows how quickly the challenge is escalating. Vulnerability submissions grew 76% year over year, reaching a record high in March 2026. About 25% of findings were confirmed exploitable, a rate that has held steady despite the surge in submissions, meaning the absolute number of real vulnerabilities continues to grow. The share of critical and high-severity vulnerabilities rose to 32%, up from a historical baseline of 26 to 28%. At the same time, the window between Show less Read more
Impact Snapshot
Event Time:
GM
Last Price
Price Change
Price Change%
Volume Shares
Max Up
Max Down
%
Volume Ratio
Performance Comparison Updated
Event Day
Stock performance from the time of news release until the following 4pm ET market close
Last price at news event
Since Event
Multi-day stock performance from the time of the news release
EVENT DAY
Stock performance from the time of news release until the following 4pm ET market close
LAST
PRICE AT
NEWS EVENT
SINCE EVENT
Multi-day stock performance from the time of the news release
Last Price
VWAP
High:
Max Up
High:
Low:
Max Down
Low:
%
Post news range
%
Price change

Price Change Percentage


S&P 500
(SPX)

%

Volume ratio
%

Volume
Ticks

Avg transaction size

Don't Miss Out On The Next BIG Stock Move
Event day
Event Day Chart will not be displayed beyond 90-day period of the event
Performance since event
Time And Velocity Analysis
Opt-in for GM alerts
Opt-in for
GM alerts

from News Quantified
Opt-in for
GM alerts

from News Quantified